see off . go to say or wave goodbye to somebody upon his departure 为…送行

Wives used to see their husbands off to work at the front door，but this is no longer common．妻子们过去习惯在门口目送丈夫们去上班，这在现在已不常见了。

We saw the visitors off at the bus stop．我们把客人送到汽车站。

When Marsha flew to Cleveland，Flo saw her off at the airport．玛莎去克利夫兰时，弗罗在机场为她送行。

 see out . accompany to the door，送…到门口

Please don't get up，I'll see myself out．请不必起来，我自己能出去。

Miss Jones will see you out of the building．琼斯小姐将送你出这座大楼。

 see out . stay and witness（something．）to the end 看完

We saw out the long play．我们看完了那个长剧。

Peter's assignment was hard but he saw it out to the end．彼得的作业很难，但他坚持把它做完。

 see out . last until the end of something 干到底；用到底；坚持到底

We have enough food to see out the winter．我们的食物足够过冬了。

I am ninety on my next birthday，but I hope to see a few more years out yet．下次过生日我就满九十岁了，我希望再多活几年。

It may take a long time，perhaps five years，but we will see it out．这也许要花很长的时间，可能要五年吧，但我们要干到底。

see over . inspect（a building，an estate，）in order to buy，rent，察看；视察

I should not think of making an of fer for the house until I had seen over it ．我要看过房子，才考虑给这房子出多少钱。

I'd like to see over the house．我想检查一下这房子。

see the light . publish 出版；问世

These famous letters first saw the light about fifty years ago，when they were discovered and published．这些著名的信件大约是50年前问世的，那时候它们被发现并出版了。

see the light . understand or agree；accept somebody 's explanation or decision 领悟；接受别人的意见

We've been telling him all along that he ought to make the store more attractive，I guess he's finally seen the light．我们一直对他说他应该把商店搞得更吸引人一些，我想他终于明白了这个道理。

He wouldn't agree，no matter how hard we argued，but eventually he saw the light and changed his mind．不管我们怎么讲，他总是不同意，但后来终于领悟并改变了自己的主张。

 see through . understand or not be deceived by（a trick）识破（诡计）；不上当

Mother saw through Johnny's excuses not to go to bed on Christmas Eve．She knew he wanted to stay up to see Santa Claus．母亲看穿了约翰尼在圣诞夜不睡觉的借口。她知道他是想等着看圣诞老人。

We easily saw through the man and his lies．我们轻而易举地看破了这人和他的谎言。

 see through .do until something is finished 做完（某事）

Once Charles started a job，he saw it through until it was finished．查尔斯一旦开始一项工作，就要把它做完。

Before I leave，I would like to see the project through．我要把这任务完成后再走。

 see through . help（somebody．）through difficulty 帮助（某人）度过难关

His business was about to fail，but his banker saw him through．他的生意行将失败，但他的银行主帮助他度过了难关。

She was very upset when her husband died but her friends saw her through．丈夫的去世使她非常难过，但她的朋友们帮她度过了悲伤时期。

 see through . be enough for or last 够用

This money will see us through the week．这笔钱够我们用一个星期。

I think we have enough bread to see us through the weekend．我看现有的面包足够我们吃到周末了。

see to . attend to or deal with 照料或处理

While Donna bought the theatre tickets，I saw to the parking of the car．唐娜买戏票，我则负责停车。

The telephone out of order again? Why，it was only last week that it was seen to．电话又出毛病了，上个星期刚刚找人看过。

see to it . make sure；take the responsibility务必使；负责

See to it that the door is safely locked．务必锁好门。

We saw to it that the child was fed and bathed．我们负责给孩子喂饭、洗澡。

 see fit .  think fit . decide that an action is necessary，wise or advisable 认为合适；认为（做某事）适当

I don't see fit to tell you all my plans．我认为把我所有的计划都告诉你是不合适的。

We'll leave this entirely to you，so do as you see fit．我们把这件事全托付给你了，你看着办吧。

 seeing that . since 既然

Seeing that he refused to help us，there's no reason why we should now help him．既然他过去不肯帮助我们，现在我们也没理由该去帮助他。

seek after . try to gain as by inner enquiry 探索；寻求

Many people spend years seeking after peace of mind，often with little success．许多人花多年时间来寻求精神上的平静，但通常收效甚微。

He is the kind of man who is always seeking after truth．他是那种始终追求真理的人。

 seek out . look for and find；single out 找出；挑出

They sought him out from among the crowd．他们在人群里找到了他。

He is still seeking out a suitable assistant．他仍在想法物色一个适当的助手。

Such inspection methods seek out surface flaws in materials．这种检验方法可以找出原材料表面的瑕疵。

seize upon . seize on . take and use eagerly 抓住并积极利用

You have to seize on every chance of success as it is not likely to be repeated．你必须抓住每个成功的机会，因为这种机会不大可能再来。

She seized on the chance of going to New York to work．她抓住了去纽约工作的机会。

seize up . stop working suddenly（as of a machine）（机器）突然停止运转

If you fail to oil the engine regularly，it would seize up without any warning．如果你不定时给发动机加油，它就会突然停止运转。