think over（及物，可分）反复考虑
We thought over the present state of affairs.我们慎重考虑了当前的情况。
He thought over the matter for two days before giving his answer.他在回答之前把这个问题考虑了两天。
I can't give you a definite answer at once.I must have time to think it over.我不能立即给你一个明确的答复。我得有时间认真地加以考虑。
As for his offer，I haven't had time to think it over yet.关于他的建议，我还没有工夫好好考虑。
think up（及物，不可分）想出，发明，编造
I must think up an excuse for dismissing him from his office.我得为解除他的职务找个借口。
We know that compass was first thought up by a Chinese.我们知道，指南针是中国人首先发明的。
He thought up an idea of making a tour of Canada.他想起一个游历加拿大的主意。
The whole story was thought up.这个故事全是虚构的。
thirst for（及物，不可分）热望
He thirsted for recognition as a pianist.他迫切希望被承认为钢琴家。
The girl thirsts for anything that is in fashion.这姑娘渴望得到一切时髦的东西。
My brother thirsts for a good knowledge of English.我弟弟巴不得学好英语。
I'm thirsting for a cup of tea；I've not drunk it all day.我极想喝一杯茶，我今天一整天都没喝过。
thrash out（及物，可分）经过充分讨论找到（解决问题的办法）
The leaders thrashed out what to do.领导人充分讨论了怎么办的问题。
The committee will thrash the problem out at the next session.委员会将在下次会议上充分讨论这个问题。
After a serious discussion，a plan to pursue and capture the escaped prisoner was thrashed out.经过认真讨论，追捕越狱犯的计划订出来了。
throw off（及物，可分）脱离（不良的情况等）
It's not easy to throw off a bad habit.去掉一种不良习惯并不容易。
I found it hard to throw off the responsibility for the accident.我发现难以摆脱这次事故的责任。
He threw off his pursuers by joining the crowd coming out of the football ground.他钻进从足球场内涌出来的人群中，得以甩掉追捕者。
I had a bad cold a week ago.I haven't thrown it off yet.我一周前染上了重感冒，还没好。
throw out1（及物，可分）拒绝，否定
The leading body has thrown out all proposals.领导机关已拒绝所有提案。
The official threw out the profiteer's bribe.这位官员拒绝了那奸商的贿赂。
I don't think anybody has the right to throw our marriage out.我认为准都无权否定我们的婚事。
The workers'demand was thrown out.工人们的要求被拒绝了。
throw out2（及物，可分）解雇
In economic depression many firms threw out lots of employees.经济萧条时期，许多公司大量解雇雇员。
The company threw him out for gambling.因为赌博这家公司把他解雇了。
Michel was thrown out when the firm went bankrupt.这家公司倒闭时，米歇尔被解雇了。
Get out！You're thrown out！滚出去！你被解雇了！
throw over（及物，可分）抛弃，放弃
He swore that he would never throw her over.他发誓永远不抛弃她。
He threw over medicine for literature in 1915.他于1915年弃医从文。
Though he had become famous，he didn't throw over his old friends.他虽然成了名人，却没有抛弃老朋友。
throw...over（及物，必分）与（某人）终止恋爱关系
They will soon get married，but last night she abruptly threw him over.他们快要结婚了，可是昨晚她突然跟他吹了。
The pretty and coquettish woman seduced him and defrauded him of his money，and then threw him over.那个娇艳女人勾引了他，骗取了他的钱，然后又把他甩了。
throw up1（及物，可分）辞去（工作、职务）
In resentment he threw up his job.他气愤地辞去了工作。
He threw up his duties and went off to Canada.他辞职后去了加拿大。
If Henry throws the job up，who will get it？如果亨利辞去这工作，谁将接任？
Mr White threw up his office of manager.怀特先生辞掉了经理职务。
throw up2（及物，可分）呕吐
The TB patient had a bad cough and threw blood up.这位结核病患者咳得厉害，还吐了血。
Piles of rubbish were so disgusting that I almost threw up what I had eaten.一堆堆的垃圾令人作呕得使我几乎把吃的东西都吐出来了。
The ship rocked so violently that I threw up everything I had had for breakfast.船剧烈地摇摆着，我把早饭吃的东西全都吐了出来。
throw up3（不及物）呕吐
He kept throwing up for no reason at all last night.昨晚他无缘无故呕吐不止。
The taste of rotten eggs is enough to make one want to throw up.臭鸡蛋的味道真够叫人恶心。
thumb through（及物，不可分）浏览（书刊等）
I thumbed through a few pages of the picture book.我把这本图画书翻阅了几页。
He thumbed through the magazine before breakfast.他在早饭前浏览了一下那本杂志。
The professor thumbed through the books on the shelves.这位教授翻阅了架上的书。
I thumbed through the list，trying to find his name.我把名单从头到尾匆匆看了一遍，试图发现他的名字。
tide...over（...）（及物，必分）帮助（某人）克服（困难）
This money should tide you over until payday.这钱应当帮你维持到发薪的日子。
A little money lent to him would tide him over all his difficulties.借给他一点儿钱就会帮他克服一切困难。
Could you lend me 50 dollars to tide me over this week？能不能借给我50美元，好让我熬过这个星期？
tie...up（及物，必分）使忙碌
To forget his troubles，he tied himself up with answering letters.为了把烦恼忘却，他让自己忙于回信。
The campaign had our staff tied up for weeks.竞选活动使我们的工作人员忙碌了几个星期。
Don't trouble me！I'm tied up now.别打扰我！现在我正忙得不可开交。
tire out（不及物）疲乏极了
He was pale with tiring out after a sleepless night.一夜没睡之后，他疲倦得脸色苍白。
I rushed about all day long and tired out.我奔波了一整天，困倦极了。
tire...out（及物，必分）使筋疲力尽
Painting the house tired me out.粉刷房子使我累得够呛。
We created favourable conditions for tiring the enemy out.我们创造了疲惫敌军的有利条件。
All this talking tired me out.讲了这半天话把我累坏了。
By the time we got there，we were tired out.我们到达那里时已筋疲力尽。
top off（及物，不可分）结束
We topped off New Year's Eve entertainment with a mixed chorus.我们以混声合唱结束了除夕文娱晚会。
Mary topped off her dinner with a glass of fruit juice.玛丽吃完饭时喝了一杯果汁。
top up（及物，可分）把…灌满（水、油等）
He topped up my glass again with beer.他又给我倒了一杯啤酒。
I topped up the goldfish bowl with water.我给金鱼缸添满了水。
At the dinner party I hadn't emptied my glass of wine when the host topped it up for me.在宴会上我杯里的酒还没喝完，主人就给我斟满了。
total up（及物，可分）求…的总数
Let's total up our monthly household expenses.合计合计我们每月的家用吧。
If you total up all these figures，they'll come to quite a big sum.如果你把这些数字加起来，将是一笔可观的数目。
You haven't totaled the figures up right.这些数字你没有加对。
tot up（及物，可分）求…的总数
He told me to tot up this column of figures.他叫我把这一栏的数字加起来，得出和数。
He is now totting up the bill.他正在开账单。
Every time I tot these figures up，I get a different answer.我每次把这些数字加起来所得的答数都不同。
tot up to（及物，不可分）共计
This new appropriation tots up to a hundred million dollars.这笔新的拨款总共一亿美元。
This will involve expenses totting up to a hundred pounds.这将包括总数为100英镑的开支。
All these facts totted up to a picture of happiness.所有这些事实，总括起来，就是一幅幸福的图画。
touch down（不及物）飞行后降落
The plane touched down at 10：35a.m.飞机于上午10点35分着陆。
The aeroplane touched down safely.飞机安全降落了。
The helicopter touched down just now.直升机刚着陆。
touch...for...（及物，必分）向（某人）借钱（却无意归还）
He has touched me for money many times and hasn't paid me back up to now.他曾多次向我借钱，至今没还。
Baker was used to touching his friends for money，but he had no intention to repay them.贝克惯于向朋友们借钱，但他无意偿还。