go round in circles 绕圈子;没有任何进展

　　The politicians talked for hours but they couldn't come to an agreement; they were just going round in circles.那些政客们讨论了好几个小时却没有达成协议，他们一直在绕圈子。

　　have a beef with sb. 对某人有点意见

　　I had a beef with my teacher about the amount of homework we were getting.对于家庭作业的量我对我的老师有点意见。

　　Mark had a beef with his wife over parking their car. He thought she always parked it very badly.马克对他的妻子有意见，关于停车。他觉得她总是停得很糟糕。

　　live in la-la land 想法不切实际

　　She's clearly living in la-la land — how can we ever afford to buy a house with the little money we earn?显然，她的想法不切实际，我们挣的这么少，怎么可能买得起房子呢？

　　My boyfriend's living in la-la land if he thinks I'm going sailing with him — I get seasick!如果我男朋友觉得我会和他一起去航行的话，那他可真是不切实际，我会晕船啊！

　　not rocket science 很简单  （通常和否定在一起用，用于非正式场合）

　　This is not rocket science, but let's do it anyway.这也不是天书,没那么可怕的,做做看吧。

　　----How do I cook this soup?我应该怎样煮这个汤？

　　-----Come on , it's not rocket science, all you have to do is open the tin and heat it up.别这样，这么简单的事情，你只需要打开罐头然后加热。

　　----I can't understand why our company is in such a mess?我不能理解为什么我们的公司这么混乱？

　　----It's not rocket science to figure that out - there are too many managers!这么容易理解的事情--有太多的经理了！

　　（本文来源：BBC Learning English）