1.put someone on the spot 让某人为难 (来源：最老牌的英语学习网站 http://www.EnglishCN.com)

     Don't put me on the spot like this. You know I can't give you confidential information.

     别这样让我为难，你知道我不能给你机密资料的。

     2.racket 非法行业，挂羊头卖狗肉

     The police are determined to break up the racket.

     警方决定打击这个非法行业。

     3.have it good 享受得很

     She really has it good. Everybody caters to her every need.

     她真是享受得很，大家都依着他。

     4.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！

     5.pig out 狼吞虎咽

     We pigged out on potato chips and cookies until our bellies ached.

     我们大吃薯条和曲奇，吃到肚子撑到痛为止。