1.go to pot 完蛋
　　The British Empire is going to pot.大英帝国快完蛋了。（呵呵~仅是举例，没有恶意）
　　He worked so hard that his health went to pot.他工作过劳，结果牺牲了健康。
　　
　　2.a bolt from/out of the blue突如其来，始料不及
　　 We had been sure she was in Chicago, so her sudden appearance was a bolt out of blue.我们大家都认定她现在在芝加哥，因此她的突然出现完全出乎我们的意料。
　　 Miss Anne has just got her salary raised, so her decision to resign was a bolt from the blue.安尼小姐刚被提升了工资，所以她的辞职是我们始料不及的。
　　
　　3.a dog in the manger自私自利的人，一毛不拔的人(someone who does not want others to use or enjoy something even though they themselves do not need or want it)
　　 Don’t be such a dog in the manger, lend your bicycle to him since you will not go out this afternoon.别这么不够朋友，既然你今天下午不出去，就把自行车借给他用一用。
　　
　　4. Been there, done that, bought a T-shirt. (=yes, 这是老外商英语课时教的，那时没有很注意听，至今也不是很清楚它的用法，那位高手知道的话请帮一下忙)
　　
　　5. Morning comes early.（当你早上想睡懒觉但又必须起来时可以这样说哦）
　　
　　6. cost an arm and a leg 太贵了
　　
　　7. looking to do something 未来要干点。。。
　　
　　8. the jury is (still) out 未成定论(haven’t decided)
　　
　　9. jack of all trades（什么都不精通master of none）
　　
　　10. a blessing in disguise 因祸得福
　　 You lost the game, but it may be a blessing in disguise, you’ll know what your problem is.　1. a blind date初次约会
　　James was too excited to have dinners. He was having a blind date with Sue in the evening.
　　2. a born loser废物，天生的失败者
　　Nobody is a born loser. All you need is perseverance.没有人生来什么也做不了。你需要的是毅力。
　　3. have the jitters很紧张（因紧张心扑扑直跳）
　　I have the jitters at my blind date.
　　4. be in love with…爱上。。。
　　5. feel sorry for..为…感到遗憾
　　6. be known as a…被公认为是个…
　　7. regret about…为…感到后悔
　　8. a tragedy 一场悲剧
　　9. a drop in the bucket沧海一粟