351. try 用法：try one’s best to do sth. ; try to do sth. ; try doing sth. ; try sb., try on
特殊用法：try to do表示盡力；try doing表示試著做。
352. turn 用法：in turn; by turns; turn on/off/down/up/in/to/out/over/round
note: 當turn用作系動詞時，後面的名詞前不加冠詞，如：after years of hard work, he turned writer.
turn v.轉向,鏇轉 n.輪流 open your books and turn to page 20. 打開書,翻到第20頁。
turn back 翻回到+to turn down 拒絕,音量調低
turn up 音量調高,出席 l: you can fill in this lost property report, and i'll keep my eye out for it. those kinds of things usually turn up eventually, but i suggest you contact your embassy and tell them about your situation, so they can issue you a new passport in case it doesn't show up.管理員：你來填這張遺失報告表,我會替你留意的。像這樣的東西,最後總是會出現的。但我建議你跟你們的大使館聯繫並把你的情形告訴他們。萬一你的護照找不到的話,他們會給你補發新護照的。
turn in 上交 please turn in your paper before leaving. 請在離開前將論文交上。
turn oneself in 自首 turn into 把...變成...,把...翻譯成...
turn out 結果是,製造出,生產出,培養出,關(煤氣) 50. how did the game turn out? 球賽結果如何？
turn over 移交,把...打翻 turn to 轉向,求助於,翻到第幾頁 open your books and turn to page 20. 打開書,翻到第20頁。
turn to sb for help 求助於 turn against 背叛 turn by one's 輪流,交替
in one's turn 輪到某人做某事 it is one's turn to do sth 輪到某人做某事
353. under 用法：under the table; under 20 years old; under discussion / treatment / construction
note: 引申意義表示在……的管轄之下，如：he had nearly fifty men under him.
354. unless 用法：表示除非，主語通常用現在時，從句用一般現在時。
note: 從句中的有些成分通常可省略，如：he will never come here unless invited.
355. until 用法：not …until …; it was not until …that …當not until…用在句首時，主句要用部分倒裝。
note:主句謂語動詞是延續性的動詞用肯定；是瞬間動詞則用否定形式，以構成not…until結構。
356. urge用法：urge sb. to do sth. , urge that…, urge to, urge for,
note: 作為及物動詞，意為“敦促，呼籲，促使，驅使，強調”等意思。
357. up用法：up and down, up to, be well up in / on,
note: it is up to sb. to do sth. 應/該由某人決定做某事。
358. upstairs 用法：go upstairs
note: 用作定語時，要定語後置，如：a room upstairs.
359. used 用法：a used car; used to do; be used to doing; be used to do
note: used to do表示過去常常做某事；be used to doing表示習慣於做某事；be used to do表示被用來做某事。
360. usual 用法：as usual; usual place
note: usual和common都可以翻譯成通常的。usual表示時間上的經常性；而common表示範圍上的普遍性。
361. various 用法：various kinds
特殊用法：在various後面只能用複數名詞，而在different後面既可以用單數名詞，也可以用複數名詞。
362. very 用法：very good/well; the very book
note: 表示非常的時候是副詞；作形容詞表示加強語氣。he is the very man i want to work with.
363. wait用法：wait about, wait for, wait on , wait to do sth. , wait until…, wait up, waiting room
note: 不及物動詞，在某些搭配中是及物動詞：wait the answer, wait the result, wait one’s chance
364. want 用法：want to do; want sb. to do; you are wanted on the phone.
note: 在want在表示需要時，want doing = want to be done如：this room wants cleaning.
365. warn 用法：warn sb. to sth. warn sb. of sth. warn sb. that…
note: warn sb. not to do sth. = warn sb. against doing sth.
366. waste用法：waste sth. waste away, waste one’s breath, waste sth. in doing sth.
note: 作名詞用時意為“浪費”不可數，但可加不定冠詞。it’s a waste of time your talking to him.
367. watch用法：watch sb. / sth. , watch sb. doing sth. / do sth. / done /
介詞短語，watch for / out / out for / over, on watch , go on watch, keep a watch on, keep watch
note: 用在祈使句中一般意為“當心”；作名詞是手錶的意思。
368. way 用法：by the way; in the way; in a way; make one’s way, under way, ways and means, on the way to
note: in the way表示擋路、妨礙；in a way表示在某種意義上。
369. wear 用法：wear a new shirt; wear out
note: wear除了表示穿著之外，還可以表示佩戴，如：wear new glasses; wear a necklace; wear a flower
wear v.穿,戴,磨損,耐久 what will you wear for the party? 晚會上你穿什麼？
wear sb out 使某人精疲力盡 wear sth out 使某物被穿破
wear off 慢慢地消失掉,褪掉 wear away 磨掉,(時間)消逝 wear on (時間)消逝
370. weigh 用法：it weighs 15 pounds. it weighs light / heavy.
note: 作及物動詞意為“權衡，考慮”。weight 名詞；weighty 形容詞。
371. well 用法：well done; in the well; well worth; he is well. do well in
note: 在表示身體好的時候well是形容詞，在表示其它意思的時候是副詞。
372. will用法：against one’s will, at will, good / ill will, be willing to do sth., will you please do sth?
note: 作為助動詞，表示純粹的將來；情態動詞表示意願；作名詞表示意志，遺囑。
373. when用法：可引導時間狀語從句，定語從句，條件狀語從句 since when, when doing sth.
note: when引導的從句中，動詞既可以是瞬間動詞，也可以是延續性動詞。
374. while 用法：a little while; for a while; once in a while
note: 可以表示對比關係，翻譯成然而，如：he likes sports while i enjoy reading.
375. win 用法：win the game; win a prize
note: win的賓語不能是對手，不能說win sb. in the game.
376. wish 用法：wish sb. good luck/all the best; wish that…
note: wish表示不能實現的願望，因此在後面的賓語從句中要使用虛擬語氣。
377. without用法：without delay, do without, go without, without number, do / go without
note: 介詞引起短語作狀語，不同的名詞有不同的意思。
378. wonder用法：wonder that…/ to do sth. / at / about , do wonders , it’s a (no) wonder that..
note: i wonder if you would do sth? 表示委婉地提出請求或疑問。名詞表示奇蹟，難怪
379. word 用法：in one’s own words; in other words; in a word
note: 可以表示命令、訊息等，前面不加冠詞，如：word came that i was wanted at the office.
380. work 用法：at work; out of work; go to work; work out; doesn’t work, work as, work at
note: 還有起作用，有效果。名詞表示工作不可數；表示著作可數；works表示工廠，為單復同形。
work vi.(機器等)運轉;活動 i'll work for the next 5 days. 我要工作5天（從明天算起）
work on 從事於某項工作 i'll work on my computer. 我要練電腦。 work on a problem 從事於某項工作
work out 算出（總數）to work out a sum 算出總數 帶來好結果；有預期的結果things will work themselves out. 事情會有好結果的。運動；鍛鍊to work out daily with sparring partner 每天和拳擊陪練員練習 i could work out in your class with no problem. 如果我去你的班上做運動 一定不會覺得有問題。（礦山）開採完，采盡
work at 在做... i start work at 8 o'clock. 我八點開始工作。 work in with 配合 work up 準備
work in 編進去 yes. i'm a designer, and i work in a boutique. 是的 我是位設計師 我在一家服裝店工作
381. worth 用法：be worth doing; be worth 5 dollars; be worthy to be done, be worthy of being done
note: worth翻譯成某事值得被做，但後面要用動名詞的主動形式，不能用被動形式，
382. youth 用法：in one’s youth; youth club; a good youth
note: 作可數名詞時表示個體；作不可數名詞時表示整體。