ingrate [ɪn'greɪt]

以下由轻松背单词网站提供

n.忘恩负义的人

a person who is not grateful

It would take an ingrate great courage to work on ways to dispel such measures. 一个不知感激为何物的人理直气壮的否定这些措施。
He's such an ingrate. 他是个忘恩负义的人。