ingrateadj.
英 'ɪngreɪt; ɪn'greɪt | 美 ɪn'ɡret
中文adj. 忘恩的；不知恩的\nn. 忘恩负义的人
忘恩的；不知恩的
n. 忘恩负义的人
词根词源
ingrate (n.)"ungrateful person," 1670s, from earlier adjective meaning "unfriendly" (late 14c.) also "ungrateful, unthankful," from Latin ingratus "unpleasant," also "ungrateful," from in- "not" (see in- (1)) + gratus "pleasing, beloved, dear, agreeable" (see grace (n.)). The noun meaning "ungrateful person" dates from 1670s.
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