柯林斯詞典ingrate /??nɡre?t, ?n?ɡre?t/ 1. N an ungrateful person 忘恩負(fù)義的人2. ADJ ungrateful 忘恩負(fù)義的 返回 ingrate劍橋詞典a person who is not grateful 忘恩負(fù)義者 返回 ingrate