动词
中文翻译：怨恨
同义词：
['be grieved at', 'be vexed at', 'be discontent with', 'be displeased with']
例句：
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1. She was ingrate for not helping him when he needed it most.
她对他最需要帮助的时候没有伸出援手，真是不感激。
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2.The manager was ingrate for his rude behavior towards the staff.
经理对他的员工粗鲁行为感到怨恨。
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3. The poor man was ingrate for not being able to provide for his family.
这个穷人因为无法养家糊口而感到怨恨。