bite the hand that feeds sb
伤害恩人；恩将仇报
If someone bites the hand that feeds them, they behave badly or in an ungrateful way toward someone who they depend on.
请看经典例句：
You might not agree with your parents' rules, but be careful about biting the hand that feeds you, because you owe everything you have to them.
你也许不同意你父母的规则，但是注意请不要恩将仇报，因为你有的一切都是他们给的。
Leaving the company after they've spent three years training you up - it's a bit like biting the hand that feeds you.
离开已经培养了你三年的公司，似乎有点忘恩负义。
I wouldn’t annoy your Boss. I don’t want to bite the hand that feeds me.
我不会惹恼你的老板。我不想恩将仇报。
Chris would have been well advised to heed the old saying 'Never bite the hand that feeds you.'
克里斯本应听从那句老话——“千万不要恩将仇报”。
Claire bit the hand that feeds her.
克莱尔恩将仇报。
Don't you know she's the one that would bite the hand that feeds her?
你难道不知道她是个恩将仇报的人？
When they got mad at us for not donating more time and money, I said they were biting the hand that feeds them.
当他们对我没有奉献更多金钱和时间而生气时，我说他们在恩将仇报。
She may be cynical about the film industry, but ultimately she has no intention of biting the hand that feeds her.
她也许会对电影业冷嘲热讽，但终究不打算恩将仇报。
Having looked to government for bread, on the first scarcity they will turn and bite the hand that fed them. Edmund Burke
在向政府寻求面包后，在第一次食物短缺时，他们会转头就会恩将仇报。Edmund Burke
They should know better than to bite the hand that feeds them. There is no way to get away with this.
吃着中国的饭，还砸着中国的锅。天下哪有这样的美事？
这是2021年3月29日，外交天团对老外说的。大家细品。