ingratitude
柯林斯词典
1. N-UNCOUNT Ingratitude is a lack of gratitude for something that has been done for you. 不知感恩
...the ingratitude of people toward their military forces in peacetime. ...在和平时期人们对他们军队好处的忽视。
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ingratitude /ɪnˈɡrætɪˌtjuːd/
剑桥词典
- the fact that someone is not grateful for something
忘恩负义 返回 ingratitude