生活中你可能听过有人被埋怨“不厚道”，究竟有哪些事算是“不厚道”呢？今天，我们就盘点一下那些不厚道的事儿，快来学学这些固定的口语搭配吧!
1. rat people out
出卖别人；
Where I come from, you don't rat on your friends.
在我的老家，谁都不出卖朋友。
2. cut in line
排队时插队；
I get annoyed when people cut in line.
一有人夹三，我就心烦。
3. have an affair
搞婚外情；
I felt bad for Joan when Jack started to have an affair last year.
杰克去年开始在外面有外遇。 我为琼感到很难受。
4. stab someone in the back
暗中陷害别人；
He will say nice things to your face and then stab you in the back.
他当面说得好听，背后会给你使绊儿。
5. swear all the time
一直说脏话；
It's wrong to swear and shout.
骂人和喊叫是不对的。
6. tell on people
打别人小报告；
He often tells on his classmates.
他经常告同学的状。
7. stand people up
放别人鸽子；
I've been stood up!
我被人放鸽子了！
8. break your promise
违背诺言;
How could you break your promise?
你怎么不守信用？
9. be ungrateful
忘恩负义
After all I had done, she was still ungrateful.
尽管我做了这一切，可她仍然不领情。
