| 词汇 | bite the hand that feeds you |
| 释义 | bite the hand that feeds you informal : to harm someone who has helped or supported you伤害恩人；忘恩负义 He was reluctant to criticize his mentor for fear of biting the hand that fed him.他不愿批评自己的导师，担心那样做会伤害恩师。 bite |
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