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表示尽力；try doing表示试着做。352. turn 用法：in turn; by turns; turn on/off/down/up/in/to/out/over/roundnote: 当turn用作系动词时，后面的名词前不加冠词，如：after years of hard work, he turned writer.turn v.转向,旋转 n.轮流 open your books and turn to page 20. 打开书,翻到第20页。 turn back 翻回到+to turn down 拒绝,音量调低 turn up 音量调高,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.管理员：你来填这张遗失报告表,我会替你留意的。像这样的东西,最后总是会出现的。但我建议你跟你们的大使馆联系并把你的情形告诉他们。万一你的护照找不到的话,他们会给你补发新护照的。 turn in 上交 please turn in your paper before leaving. 请在离开前将论文交上。 turn oneself in 自首 turn into 把...变成...,把...翻译成... turn out 结果是,制造出,生产出,培养出,关(煤气) 50. how did the game turn out? 球赛结果如何？ turn over 移交,把...打翻 turn to 转向,求助于,翻到第几页 open your books and turn to page 20. 打开书,翻到第20页。 turn to sb for help 求助于 turn against 背叛 turn by one's 轮流,交替 in one's turn 轮到某人做某事 it is one's turn to do sth 轮到某人做某事353. under 用法：under the table; under 20 years old; under discussion / treatment / constructionnote: 引申意义表示在……的管辖之下，如：he had nearly fifty men under him.354. unless 用法：表示除非，主语通常用现在时，从句用一般现在时。note: 从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 …当not until…用在句首时，主句要用部分倒装。note:主句谓语动词是延续性的动词用肯定；是瞬间动词则用否定形式，以构成not…until结构。 356. urge用法：urge sb. to do sth. , urge that…, urge to, urge for,note: 作为及物动词，意为“敦促，呼吁，促使，驱使，强调”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. 应/该由某人决定做某事。358. upstairs 用法：go upstairsnote: 用作定语时，要定语后置，如：a room upstairs.359. used 用法：a used car; used to do; be used to doing; be used to donote: used to do表示过去常常做某事；be used to doing表示习惯于做某事；be used to do表示被用来做某事。360. usual 用法：as usual; usual placenote: usual和common都可以翻译成通常的。usual表示时间上的经常性；而common表示范围上的普遍性。 361. various 用法：various kinds特殊用法：在various后面只能用复数名词，而在different后面既可以用单数名词，也可以用复数名词。362. very 用法：very good/well; the very booknote: 表示非常的时候是副词；作形容词表示加强语气。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 roomnote: 不及物动词，在某些搭配中是及物动词：wait the answer, wait the result, wait one’s chance364. want 用法：want to do; want sb. to do; you are wanted on the phone.note: 在want在表示需要时，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: 作名词用时意为“浪费”不可数，但可加不定冠词。it’s a waste of time your talking to him.367. watch用法：watch sb. / sth. , watch sb. doing sth. / do sth. / done /介词短语，watch for / out / out for / over, on watch , go on watch, keep a watch on, keep watchnote: 用在祈使句中一般意为“当心”；作名词是手表的意思。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 tonote: in the way表示挡路、妨碍；in a way表示在某种意义上。369. wear 用法：wear a new shirt; wear outnote: wear除了表示穿着之外，还可以表示佩戴，如：wear new glasses; wear a necklace; wear a flowerwear v.穿,戴,磨损,耐久 what will you wear for the party? 晚会上你穿什么？ wear sb out 使某人精疲力尽 wear sth out 使某物被穿破 wear off 慢慢地消失掉,褪掉 wear away 磨掉,(时间)消逝 wear on (时间)消逝 370. weigh 用法：it weighs 15 pounds. it weighs light / heavy.note: 作及物动词意为“权衡，考虑”。weight 名词；weighty 形容词。 371. well 用法：well done; in the well; well worth; he is well. do well innote: 在表示身体好的时候well是形容词，在表示其它意思的时候是副词。372. will用法：against one’s will, at will, good / ill will, be willing to do sth., will you please do sth?note: 作为助动词，表示纯粹的将来；情态动词表示意愿；作名词表示意志，遗嘱。373. when用法：可引导时间状语从句，定语从句，条件状语从句 since when, when doing sth.note: when引导的从句中，动词既可以是瞬间动词，也可以是延续性动词。374. while 用法：a little while; for a while; once in a whilenote: 可以表示对比关系，翻译成然而，如：he likes sports while i enjoy reading.375. win 用法：win the game; win a prizenote: win的宾语不能是对手，不能说win sb. in the game. 376. wish 用法：wish sb. good luck/all the best; wish that…note: wish表示不能实现的愿望，因此在后面的宾语从句中要使用虚拟语气。377. without用法：without delay, do without, go without, without number, do / go withoutnote: 介词引起短语作状语，不同的名词有不同的意思。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? 表示委婉地提出请求或疑问。名词表示奇迹，难怪379. word 用法：in one’s own words; in other words; in a wordnote: 可以表示命令、消息等，前面不加冠词，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 atnote: 还有起作用，有效果。名词表示工作不可数；表示著作可数；works表示工厂，为单复同形。work vi.(机器等)运转;活动 i'll work for the next 5 days. 我要工作5天（从明天算起） work on 从事于某项工作 i'll work on my computer. 我要练电脑。 work on a problem 从事于某项工作 work out 算出（总数）to work out a sum 算出总数 带来好结果；有预期的结果things will work themselves out. 事情会有好结果的。运动；锻炼to work out daily with sparring partner 每天和拳击陪练员练习 i could work out in your class with no problem. 如果我去你的班上做运动 一定不会觉得有问题。（矿山）开采完，采尽 work at 在做... i start work at 8 o'clock. 我八点开始工作。 work in with 配合 work up 准备 work in 编进去 yes. i'm a designer, and i work in a boutique. 是的 我是位设计师 我在一家服装店工作 381. worth 用法：be worth doing; be worth 5 dollars; be worthy to be done, be worthy of being donenote: worth翻译成某事值得被做，但后面要用动名词的主动形式，不能用被动形式，382. youth 用法：in one’s youth; youth club; a good youth  note: 作可数名词时表示个体；作不可数名词时表示整体。