n.忘恩负义

His ingratitude hurt her deeply.
他的忘恩负义深深地伤害了她。
It was an act of sheer ingratitude to treat them like that after all they had done for him.
在他们为他做了那么多之后那样对待他们，纯粹是忘恩负义的行为。
Ingratitude is the essence of vipers.
忘恩负义是毒蛇的本质。
Despite their help, he showed nothing but ingratitude.
尽管他们帮助了他，但他表现出的只有忘恩负义。
The ingratitude of the young man towards his benefactor was shocking.
年轻人对他的恩人的忘恩负义令人震惊。
Her ingratitude was a bitter pill to swallow.
她的忘恩负义是一颗难以下咽的苦药。
The ingratitude shown by the employees towards the employer who had given them jobs was disheartening.
员工们对给他们提供工作的雇主表现出的忘恩负义令人沮丧。
His ingratitude made me realize that kindness is not always reciprocated.
他的忘恩负义让我意识到善良并不总是能得到回报。
The ingratitude of the world is proverbial.
世人的忘恩负义是众所周知的。
Ingratitude is worse than brutality.
忘恩负义比残忍更糟糕。