12、to ask(someone) for (one's) hand: to ask girl's parents for marriage approval（指男人请求女方家长应允将女儿嫁给他， 这里的“someone”是指女方的家长，“one”则是指要求婚的对象，hand 只能用单数形式） (来源：英语论坛 http://bbs.englishcn.com)
Mr. Su asked me for my daughter's hand.
He has asked her parents for their daughter's hand.
13、to move onward and upward: to be promoted; from good to better situation（情况得以改善，或往更好的情況发展）
He hopes to move onward and upward with his current company.
Many young couples try to move onward and upward during their marriage.
14、to call a spade a spade: to be honest, blunt or frank（直言不讳，有啥说啥）
My wife always calls a spade a spade about her work situation.
Calling a spade a spade on foreign affairs sometimes seems difficult for diplomats.
15、to play cat and mouse: to play games with aggressive and passive attitude（玩猫戏老鼠的把戏，欲擒故纵)
In business negotiations, there are always cat-and-mouse games.
The police have played cat and mouse with the murderer.
16、to go on the dole: (of the unemployed) to live on public welfare（失业人员依靠政府救济金生活。)
Thousands of Americans are out of jobs and may go on the dole.
Some people have gone on the dole for years.
17、to be in the hot seat: to be under lots of pressure or in a difficult position（处于困境，面对很多压力）
He has resigned from his job because he has been in the hot seat for years.
When testifies before Congress, he will be in the hot seat.
18、to make waves: to make trouble（惹是生非，与“rock the boat”意思相近）
Many politicians like to make waves in order to be kept in the media.
Teenagers tend to make waves with their parents and teachers.
19、to keep (one's) nose clean: to keep away from trouble（远离是非，少惹麻烦）
The newly released inmates are trying to keep their noses clean.
A law-abiding person needs to keep his (her) nose clean.
20、to drive (someone) up the wall: to annoy or upset someone（惹人生气或者不高兴)
The boy is driving his mother up the wall because of his ill behavior.
If you ask too many questions, you may drive your boss up the wall.
21、to write(someone or something)off: to throw away or to discard(抛弃或者丢弃); to deduct a business loss（在经商失败时，也用于报销、注销或扣除损失的数额中）
After a hot argument, she wrote off her boyfriend.
He will write off the charitable contributions from his income taxes.
22、to take up with (someone): to date someone or to fall in love with someone（对某人产生兴趣，或与某人开始亲密交往）
After he met her at the bar, he took up with her.
As she is such a pretty woman, many men would like to take up with her.
24、to pave the way to (or for): to make the path or to lay a groundwork of something（为……铺平道路或为……做好准备）
A good education will pave the way to finding a decent job.
Early space exploration has paved the way for the current space station.
25、to paint the town red: to enjoy oneself; to have a good time（尽情享受）
He is going out tonight to paint the town red.
Miss Chen really painted the town red last week with her friends.