1. to have a chip on one's shoulder （因覺得受委屈或不如別人優秀而）生氣，耿耿於懷
He's got a chip on his shoulder about not having been to university.
2. add fuel to the fire 火上澆油
The discovery that the government was aware of the cover-up has really added fuel to the fire.
3. add insult to injury 雪上加霜；往傷口上撒鹽
They told me I was too old for the job, and then to add insult to injury, they refused to pay my expenses!
4. agree to disagree 各自保留意見，求同存異
I'm sick of arguing with you, so let's just agree to disagree and move on from this issue.
5. pick a fight 挑釁，找麻煩
He'd had too much to drink and tried to pick a fight with the bartender.
6. bad blood 感情不和；嫌隙，仇恨
There has been bad blood between the two families for years.
7. dirty look 怒視…，瞪…一眼
He gave me a really dirty look. 他惡狠狠地瞪了我一眼。
8. on the warpath 怒不可遏
If there was one thing she couldn't face in the morning it was her mother on the warpath.
9. stab someone in the back 在（某人）背後捅刀子（指傷害信任自己的人）
He had been lied to and stabbed in the back by people that he thought were his friends.