assimilate v.
the students assimilate knowledge rapidly.
[猜一猜] a. 珍惜 b. 閱讀 c.（使或被）吸收，消化 d. 刻苦
[翻譯] 學生們吸收知識極為迅速。
[分析] as-+ simil + -ate ad-, to+ simila r相似 + 使
[大頭巧計] as, as the same as 和…一樣； simil, similar 相似；-ate, 使 → 使相似。
[詞義擴展] (使或被）同化 the children of the immigrants easily assimilated into american culture. 移民的孩子很容易就被美國文化所同化。
assign v.
my boss assigned me the task of finding new offices to rent.
[猜一猜] a.協助 b.成功 c.遷移 d.分配
[翻譯] 經理讓我負責去找幾間新的辦公室。
[分析] as(=ad, to )+ sign
[大頭巧計] sign to 即指示，在上面打符號決定，即分配，委派。
[詞義擴展] 指定（時間，地點等） the quad was assigned to accomplish the market planning in two weeks. 這個小組被指定在兩周內完成一份市場銷售計畫。
[近義詞] allot， allocate， distribute， ration
assault v.
the enemy made a surprise assault on us last night.
[猜一猜] a.打掃 b. 打擾 c. 震盪 d.襲擊，攻擊
[翻譯] 敵軍昨晚偷襲了我們。
[分析] as+ sault →ad （加強意義）+ jump（跳）
[大頭巧計] jump onto 跳在什麼上面，就是攻擊，襲擊。
[大頭例句] a converging assault 圍攻 an assault force 突擊隊
he got two years imprisonment for assaulting police. 他因襲警而被判刑兩年。
[近義詞] attack
astronaut n.
the name of the first astronaut setting his feet on the moon will remain in human history forever.
[猜一猜] a.密封艙 b.太空人 c.機艙 d.飛行器
[翻譯] 第一個踏上月球的太空人的名字將在人類史上永存。
[分析] astro + naut →星空，天空＋ 航行
[大頭巧計] 星際航行者即太空人。
[大頭例句] the astronaut said that the great wall is the only man瞞ade object that can be seen from the moon. 太空人說，長城是惟一能從月球上看到的人工建築物。
atom n.
a molecule of water is made up of two atoms of hydrogen and one atom of oxygen.
[猜一猜] a. 原子 b. 分子 c. 電流 d. 反應
[翻譯] 一個水分子是由兩個氫原子和一個氧原子組成的。
[分析] a+ tom →不＋ 分割
[大頭巧計] 過去人們錯認為原子是“不可分割的”。
[詞義擴展] 微粒，微量 there is not an atom of truth in his allegations. 他的說法沒有絲毫真實性。
smash sth. to atoms 將某物打得粉碎
attempt v.
in spite of the rigid warning, he still attempts to carry out the extremely dangerous plan.
[猜一猜] a. 誘導 b. 詐欺 c. 嘗試 d. 謀略
[翻譯] 他不顧嚴厲警告，仍然試圖實施這項極其危險的計畫。
[分析] at+ tempt →ad, to加強意義 + 試
[詞義擴展] n. 企圖，努力the super powers attempt to redivide the world failed. 列強企圖重新瓜分世界的計畫破滅了。
[近義詞] endeavor, strive, try
awfully ad.
she is awfully good at adaptation.
[猜一猜] a. 始終 b. 可能 c. 即將 d. 非常，很
[翻譯] 她適應性很強。
awkward a.
he is so awkward that he spilled the water out of the cup.
[猜一猜] a.廣博的 b. 洪大的 c.笨拙的，不靈活的 d. 自動的
[翻譯] 他行動笨拙，把水全灑了出來。
[詞義擴展] ① 棘手的，尷尬的 the conference was sunk into an awkward situation. 會談陷入了一片尷尬。 ② 使用不便的the handle of the teapot is of awkward shape. 這茶壺把的形狀設計得很不方便。
[近義詞] burgling, clumsy, inept, gawky
ax/axe n.
the heavy ax was awkward to the carpenter.
[猜一猜] a. 削掉 b. 切割 c. 錘子 d. 斧子
[翻譯] 重斧對木匠來說不方便使用。
bandage n.
the cloth used as a bandage was stained with blood.
[猜一猜] a. 繃帶 b. 徽章 c. 圖騰 d. 橡皮條
[翻譯] 這塊充當繃帶的布已經染上了血。
[詞義擴展] v. 包紮 the soldier bandaged his wound promptly with his ragged sleeve. 那個戰士果斷地用破袖子包紮了傷口。
beneficial a.
hardship is always beneficial to build up one's character.
[猜一猜] a. 有利的 b.於事無補的 c. 空虛的 d. 壓抑的
[翻譯] 苦難能磨鍊一個人的意志。
[分析] bene+ fic+ ial →good好，有益 + do做 + ial形容詞後綴
[大頭巧計] good or doing good to 即有利於。
[近義詞] favorable， profitable， advantageous
bet v.
she bet me a meal that jane would get the first place in the speech contest.
[猜一猜] a. 等待 b. 選擇 c. 懲罰 d. 打賭
[翻譯] 她和我賭一頓飯，說簡一定是演講比賽的第一名。
[詞義擴展] n. 打賭，賭注 they made a bet that the chinese football team would win in this match. 他們打賭中國足球隊一定會贏得這場比賽。
bite v.
i tried to sell him my old car at a high price, but he wouldn餿 bite.
[猜一猜] a. 咬 b. 撕裂 c. 抓住 d. 回顧
[翻譯] 我想把我的舊車高價賣給他，但他不肯上鉤。
[詞義擴展] n. 一口eat sth. in one bite 一口吃下某東西 bite the hand that feeds one 忘恩負義
[近義詞] gnaw, nibble
boast v.
the small town boasts of a world famous writer.
[猜一猜] a. 接觸 b. 修建塑像 c. 管理 d.自誇，誇耀
[翻譯] 這個小鎮以擁有一位舉世聞名的作家而引以為榮。
[詞義擴展] n. 自誇，大話 it was the enemy餾 boast of impregnability that caused their own defeat. 敵人自我吹噓戰無不勝，這最終導致了他們自己的失敗。
[近義詞] brag， pride
atmosphere n.
the atmosphere mainly refers to the mixture of gases that surrounds the earth.
[猜一猜] a. 元素 b. 氧氣 c. 臭氧 d. 大氣
[翻譯] 大氣層主要是指包圍地球的氣體。
[詞義擴展] ① 空氣a moist atmosphere 潮濕的空氣
② 氣氛，環境create a tense atmosphere 製造緊張氣氛 an atmosphere of peace and calm 和平安定的環境
③ 大氣壓（壓力單位）
bound v.
he bounded back home to tell his mother that the teacher praised him in class.
[猜一猜] a. 踐踏 b. 跳躍 c. 踉蹌 d. 追趕
[翻譯] 他蹦蹦跳跳地跑回家，告訴他媽媽老師上課表揚他了。
[大頭巧計] bind - bound - bound 捆，綁 （不規則動詞）
bound - bounded - bounded 跳躍 （規則動詞）
[詞義擴展] n. 束縛 with one bound the dog was over the fence. 那狗一跳就越過了柵欄。
a. 被束縛的，必定的，一定的 since you have signed your name on the contract, you are now bound to keep it. 既然你在契約上籤了名，就應當遵守它。
a. 準備（或正在）到…去的，開往…的 flight 112 bounding for beijing is taking off. 112號開往北京的航班就要起飛了。
be bound to 一定要… he was said to have been bright at school and almost certainly bound to go to a university. 據說他在中學時代一直很聰明，幾乎可以肯定會上大學。
[近義詞] leap, spring， duty瞓ound, liable, oblig
brisk a.
a young woman is approaching me at a brisk pace.
[猜一猜] a. 匆忙的 b. 悠閒的 c. 輕快的 d. 愉快的
[翻譯] 一個年輕的女人正以輕快的步伐向我走過來。
[詞義擴展] a. ① 生氣勃勃的 children are always brisk. 孩子們總是生氣勃勃。
② 興隆的 business is brisk in this company. 這家公司生意興隆。
circumstance n.
what was the circumstance of the glorious revolution in 1668?
[猜一猜] a. 條件 b. 形勢，環境 c. 導火線 d. 結果
[翻譯] 1668年光榮革命發生的環境是怎樣的？
[分析] circum + 瞫tan+ 瞔earound + to stand+名詞詞尾
[詞義擴展] n. 經濟，情形，境況 his circumstances have changed a lot since he got a new jo b. 找了一份新的工作之後，他的境況好多了。
[近義詞] background 背景case 情況condition 情況，狀態situation 形勢，情況surrounding 環境
clip v.
when the guests came in i was clipping the roses in the garden.
[猜一猜] a. 採摘 b. 修剪 c. 種植 d. 欣賞
[翻譯] 當客人們進來的時候，我正在花園裡修剪玫瑰。
[詞義擴展] v. 鉗，夾住 the secretary clipped the important documents onto a board. 秘書把重要檔案都夾在一塊板上。
n. ① 夾，鉗a hair瞔lip 髮夾 ② 回形針 a paper clip 夾紙的回形針
[近義詞] cut 砍，切lop 修剪shear 修剪，剪slip 切掉trim 修剪
coincidence n.
it is pure coincidence that i meet him here after three years.
[猜一猜] a. 奇蹟 b. 驚喜 c. 巧合 d. 錯誤
[翻譯] 我在三年以後遇到他純屬巧合。
[分析] coincid(e)+ence 名詞詞尾 → 一致
[詞義擴展] n. 一致，符合my viewpoint is in coincidence with you. 我的觀點與你的一致。
collaborate v.
david collaborated with a group of professors on the academic research.
[猜一猜] a. 分工ｂ. 鑑別 ｃ. 合作ｄ. 指導
[翻譯] 戴維與一些教授合作進行學術研究。
[分析] col+labor+ate together+work,labor+動詞詞尾 → 共同勞動，即合作的意思
[近義詞] cooperate
column n.
the shape of chimney is a column.
[猜一猜] a. 圓柱 b. 棍子 c. 樹幹 d. 鐵塔
[翻譯] 煙囪的形狀是圓柱形的。
[詞義擴展] n. ①列the teacher asked the students to read the newspaper from first column to the last. 老師讓學生從報紙的第一欄讀到最後一欄。 ② （報刊中間的）專欄her name appears frequently appears in the fashion column. 她的名字頻頻出現在時裝專欄上。
combat v.
it is an ever瞝asting task for the whole world to combat terrorism.
[猜一猜] a. 禁止 b. 鬥爭 c. 遠離 d. 消滅
[翻譯] 與恐怖主義作鬥爭對於全世界來說是一項長期的艱巨任務。
[分析] com+bat together+to fight, beat → 對打，搏鬥，戰鬥
[大頭巧計] comb（梳子，用梳子梳頭髮）+at（在，向）， 用梳子對著頭上敲打，就是對打的意思。
[詞義擴展] n. 戰鬥，格鬥numerous soldiers sacrificed their lives in that fierce combat. 許多士兵在那場激烈的戰鬥中犧牲。
[近義詞] fight， conflict
commute v.
she commutes from company to her apartment every day.
[猜一猜] a. 開車 b. 乘車往返 c. 步行 d. 坐火車
[翻譯] 她每天乘車往返於公司和公寓之間。
[大頭巧計] com+ mute together+silence → (乘車時)大家都保持沉默
comparative a.
comparative linguistics is a very interesting course in college.
[猜一猜] a. 外國的 b. 比較的 c. 高級的 d. 初級的
[翻譯] 比較語言學在大學裡是一門十分有趣的課程。
[分析] compare + tive
比較，對比+形容詞詞尾（具有某種性質的） → 比較的
[詞義擴展] a. 相當的he is a comparative stranger in our impression. 在我們的印象中他是個相當陌生的人。
decline v.
his influence declined after he was removed from that high position.
[猜一猜] a. 消除 b. 加深 c. 依舊 d. 下降
[翻譯] 當他被調離那個高職位後，影響力大大降低了。
[分析] de+ cline 向下+ 傾斜 → 下傾，下降，下垂，衰落
[詞義擴展] v./n. 斜面，傾斜
v. 拒絕，謝絕 since we have just quarreled, she declined to say any word with me. 我們剛剛吵完架，因此她拒絕和我說話。
[近義詞] refuse, reject 拒絕
definite a.
i have no definite plan for this summer vacation.
[猜一猜] a. 枯燥的 b. 特別的 c. 明確的 d. 精彩的
[翻譯] 這個暑假我還沒有明確的計畫。
[分析] define+ ite 限定 + of → 明確的，肯定的，限定的
delicate a.
he fell in that delicate girl at first sight and wrote several letter to her soon after.
[猜一猜] a. 纖弱的 b. 美麗的 c. 特別的 d. 成熟的
[翻譯] 他對那個美麗的女孩一見鍾情，馬上給她寫了幾封信。
[詞義擴展] ① 精緻的i have just lost a delicate watch sent by my uncle as the prize of my winning in the national mathematics competition. 我剛剛丟失了一塊手錶，它是我叔叔給我的獎品，因為我贏得了全國數學競賽。 ② 微妙的there is a delicate change in his tone of speaking.他說話的語氣微微有些變了。 ③ 靈敏的because of the delicate sense of smell of the dog, they are the good assistances of the police. 因為狗具有靈敏的嗅覺，所以它們是警察的好幫手。
[近義詞] subtle 微妙的，敏銳的
descent n.
the descent of the temperature is so great that many people catch a cold.
[猜一猜] a. 變化 b. 下降 c. 承受 d. 預先
[翻譯] 氣溫下降如此之大，許多人都感冒了。
[詞義擴展] ① 斜坡 take care of the descent when riding. 騎車時小心斜坡。 ②血統，家世she is a spanish descent. 她是西班牙裔。
diploma n.
after four year's study, he is awarded a diploma in architecture.
[猜一猜] a. 等級證書 b. 邀請函 c. 地位 d. 畢業文憑
[翻譯] 四年學習結束後，他獲得了建築學文憑。
[分析] dipl(o)+ ma 雙重，摺疊＋ 對摺的紙 → 畢業文憑，學位證書
[近義詞] certification 證書，證明
directory n.
it's convenient to look for the phone number with a directory.
[猜一猜] a. 指南 b.（電話）號碼簿，人名地址錄 c. 侍者 d. 導遊
[翻譯] 用電話號碼簿查號碼很方便。
discipline n.
the teacher can't keep discipline in her classroom.
[猜一猜] a. 紀律 b. 成績 c. 地位 d. 聲望
[翻譯] 那位教師無法維持課堂紀律。
[詞義擴展] 學科 you're not good at mathematics, so you'd better one of the other disciplines. 你的數學不好，最好選一門其他科目。
downtown n.
it's very common to work downtown but live in suburbs in western countries.
[猜一猜] a. 餐館 b. 大廈 c. 城市的商業區 d. 自由的地區
[翻譯] 西方國家，在城市的商業區工作但卻在郊區居住是一個普遍現象。
[分析] down+ town 順而下＋市鎮，城鎮 → 在或住城市的商業區
[詞義擴展] a. 城市商業區的 downtown manhattan 曼哈頓商業區
explicit a.
you had better give him an explicit instruction on how to do it.
[猜一猜] a. 粗略的 b. 解釋的 c. 詳細的 d. 經驗的
[翻譯] 你最好詳細地指導他怎么做。
[分析] ex + plicit出來+ 摺疊 → 向外摺疊 → 明確的，詳細的，坦率的
[大頭例句] we should have some explicit aim in a short time.在短期內，我們應該有詳細明確的目標。
[近義詞] definite明確的direct直率的distinct清楚的，明確的detailed詳細的
explode v.
the firework exploded and injured the little boy.
[猜一猜] a. 點燃 b. 發射 c. 熄滅 d. 爆炸
[翻譯] 爆竹爆炸後，傷了那個小男孩。
[大頭例句] the terrorists exploded the bomb and many people were injured or kille d. 恐怖分子製造了爆炸，很多人因此而死傷。
familiar a.
the truth has already been familiar to everybody, except her.
[猜一猜] a. 真實的 b. 盡情的 c. 放縱的 d. 熟悉的
[翻譯] 除了她以外，每個人都熟知真相了。
[分析] family（y瞚） + 瞐r (= of)
[大頭巧計] 如同家人一樣的”，熟悉的，親近的。
[詞義擴展]親近的a familiar friend 親近的朋友
[近義詞] known， intimate， friendl
exploit v.
many americans exploited the west at that time.
[猜一猜] a. 開拓 b. 探險 c. 殖民 d. 移民
[翻譯] 那時有很多美國人去開發西部。
[大頭例句] the chinese government summoned people to exploit the western chin a.中國政府號召人民開發西部。
[近義詞] develop開發，發展
feminine a.
he owns a feminine voice.
[猜一猜] a. 洪亮的 b. 尖利的 c. 嘶啞的 d. 女性的
[翻譯] 他的嗓音有一點女性化。
[詞義擴展] 嬌柔的 he is a bit feminine. 他有點娘娘腔。
exploration n.
nothing could stop our exploration of new theories.
[猜一猜] a. 好奇心 b. 探索 c. 厭惡感 d. 信心
[翻譯] 任何事情都不能阻擋我們對新理論的探索。
[分析] ex + plore + ation 出來 + 流出，使流出來+ 名詞詞尾 → 探究
[詞義擴展] 勘探，探測the mineral resource was found after long exploration. 經過長時間的勘探，人們發現了礦藏。
bleak a.
the overall atmosphere of the renowned novel the wuthering height is bleak.
[猜一猜] a. 愛恨交織的 b. 幽默的 c. 冷淡的 d. 荒涼的
[翻譯] 名著《呼嘯山莊》總體氛圍是一片荒涼。
[詞義擴展] ① 冷酷的the weather here all the year round is bleak. 這裡一年到頭都很冷。② 沒有希望的due to the manager餾 strategic encouragement the bleak prospects failed to chill anyone. 部門經理領導有方，黯淡的前景並沒有令大家灰心喪氣。
ferry n.
the old man lives on his ferry but it has been broken by a storm now.
[猜一猜] a. 辛勞 b. 手藝 c. 渡船 d. 修理
[翻譯] 老人靠他的渡船生活，但是現在它在暴風雨中損壞了。
[分析] fer+ ry carry+ ry → 渡船
[詞義擴展] v. 渡運（人，車或物等） he volunteered to ferry the children to and from school. 他自願地接送孩子們上學放學。
finance n.
the minister of finance was dismissed from his position on account of the ineffective economic policy.
[猜一猜] a. 行政 b. 財政 c. 外交 d. 司法
[翻譯] 因為採取了行之無效的經濟政策，財政部長被免職了。
[分析] fin + ance to end 結束+ 名詞詞尾 → 支付的終結
[詞義擴展] v. 為…提供資金the project was financed by a large transnational corporation. 這個工程是由一家大型的跨國公司資助的。
financial a.
the financial oligarchs controlled the economy during the world war i.
[猜一猜] a. 政治的 b. 特權的 c. 財政的，金融的 d. 政府的
[翻譯] 第一次世界大戰期間金融寡頭控制著社會經濟。
[分析] financ + 瞚al 財政 + 形容詞詞尾
fertile a.
rice grows well when it grows on fertile soil.
[猜一猜] a. 合適的 b. 優良的 c. 肥沃的，富饒的 d.平坦的
[翻譯] 水稻在肥沃的土壤中會長得特別好。
[詞義擴展] 能繁殖的fertile egg 受精卵
[近義詞] productive 多產的，豐富的 rich 富裕的，富饒的
fluent a.
he made a fluent speech yesterday, which was appreciated much.
[猜一猜] a. 流感 b. 水流 c. 流暢, 流利 d. 浮動
[翻譯] 他昨天做了一個大受歡迎而又十分流利的演講。
[分析] flu + 瞖nt 流感 + 形容詞尾 → 流感傳播地很快（暢通無阻） → 流暢, 流利
[近義詞] eloquent， smooth
fertilizer/fertiliser n.
the fallen leaves can turn into the fertilizer to help the growth of trees.
[猜一猜] a. 肥料 b. 裝飾 c. 襯托 d. 陪伴
[翻譯] 落葉能成為樹的肥料。
[分析] fertiliz(e)+ er使肥沃，使多產＋…的物 → 肥料
gossip n.
gossip about the new official餾 bribery spreads around the town these days.
[猜一猜] a. 流言 b. 讚揚 c. 公告 d. 訊息
[翻譯] 這幾天村子裡到處流傳著關於新上任長官受賄的流言。
[詞義擴展] n. 說長道短的人she is such a gossip that everyone dislikes her. 她是個長舌婦，大家都討厭她。
v. 傳播流言蜚語，說長道短gossiping is a bad habit that we should avoid. 說長道短是壞習慣，我們要避免這種惡習。
[近義詞] rumour
grace n.
the gymnast leaped into the air with grace.
[猜一猜] a. 力量 b. 準確 c. 優雅 d. 自信
[翻譯] 體操運動員騰空躍起，姿勢優美。
[詞義擴展] 寬限；緩期 professer lee decided to give johnson another weeks grace to finish the thesis. 李教授決定再給詹森一周的寬限期來完成論文。
graceful a.
i was attracted by his graceful manners at the first sight.
[猜一猜] a. 得體的 b. 協調的 c. 瀟灑的 d. 文雅的
[翻譯] 第一眼看到他，我就被他優雅的舉止深深吸引了。
gracious a.
his gracious smile eased my tension immediately.
[猜一猜] a. 爽朗的 b. 親切的 c. 矜持的 d. 瀟灑的
[翻譯] 他親切的笑容令我頓時感到輕鬆。
[詞義擴展] a. 寬厚的，仁慈的
[近義詞] kind，cordial