act up 胡闹，出毛病
The children started to act up as soon as the teacher left the room. 老师一离开教室，孩子们就闹起来了。
ad lib 即兴而作，随口编
The comedian ad libbed most of his routine. 那个喜剧演员大多是即兴表演。
blah-blah-blah 说个不停
All she does is go "blah-blah-blah" all night. 她整夜说个不停。
blow it 搞砸了，弄坏了
I blew it on that last exam. 我上次考试靠砸了。
clock in 打卡
Don't forget to clock in,otherwise you won't get paid. 别忘了打卡，否则领不到钱。
come again 再说一遍
Come again? I didn't quite understand what you said. 再说一遍好吗?你刚说的话我不明白。
come clean 全盘托出，招供
The criminal decided to come clean. 罪犯决定供出事实。
come easily 易如反掌
Languages come easily to some people. 语言学习对有些人来说易如反掌。
come on to 对...轻薄;吃豆腐
Tanya slapped Bill after he came on to her. Tanya在Bill对她轻薄之后打了他一巴掌。
cool it 冷静一点
Cool it. You are making me mad. 冷静一点。你快把我逼疯了。
don't have a cow 别大惊小怪
Don't have a cow! I'll pay for the damages. 别大惊小怪的!我会赔偿损失的。
don't knock it 不要太挑剔
Don;t knock it! You won't be able to find another job that pays so well. 别挑剔了!你未必可以找到另外一个待遇这么好的工作!
down in the dumps 垂头丧气
The players were down in the dumps after their team lost the championship game. 球员输掉决赛哪一场后个个垂头丧气。
drop a line 写信
Drop me a line! 给我写信!
drop in/by/over 随时造访
Feel free to drop in anytime. I'm usually home and I'd love the company. 欢迎随时来坐坐。我通常在家，也喜欢游人做伴。
duck 躲闪，突然低下头
Remind little Bobby to duck his head when he crawls under the table so he won't hit his head. 提醒小波比爬到桌下时要低头才不会受伤。
fishy 可疑的
His story sounds fishy. We should see if it's really true. 他的故事听起来可疑。我们应该看看到底是不是真的。
fix someone up 撮合某人
I think Xixi and Macaulay would make a perfect couple. Let's fix them up. (Haha,just kidding 我想习习和 macaulay 会是理想的一对，我们来撮合他们吧。
flip out 乐死了
Chris flipped out when I told him that we won the game. 我告诉克里斯我们赢了比赛时，他乐歪了
flop (表演、电影等)不卖座，失败
The movie was a flop. Nobody went to see it.这部电影卖座率奇低，没有人去看。
get on the ball 用心做
If you hope to keep your job, you'd better get on the ball and meet the deadline. 如果你还想要你的那份工作，你最好用心做，赶上最后期限!
lady-killer 帅哥
He's a real lady-killer. 他是个不折不扣的帅哥。
get the ball rolling开始
Let's get the ball rolling. 让我们开始吧。
go up in smoke 成为泡影
Peter’s vacation plans went up in smoke when a crisis arose in the office. 办公室出了问题，peter的假期泡汤了。
go whole hog 全力以赴
She went whole hog in planning he New Year's Eve party. 她全心全力筹办新年晚会。
go with the flow 随从大家的意见
Sharon is an easy-going person. She just goes with the flow. 沙伦是个随和的人。人家怎么说，她就怎么做。
