have an ax to grind
US /hæv ən æks tuː ɡraɪnd/
UK /hæv ən æks tuː ɡraɪnd/

成语
1.
怀恨在心, 有个人恩怨
to have a private reason for doing or being involved in something, especially a selfish one
示例:
•
He seems to have an ax to grind with the company, always criticizing their policies.
他似乎对公司怀恨在心,总是批评他们的政策。
•
I don't have an ax to grind; I'm just stating the facts.
我没有个人恩怨;我只是陈述事实。
在 Lingoland 学习这个单词