低能 dīnéng incompetent Origin Definitions Defs Strokes Stroke Words Sentences Sents 低能儿 dīnéng'ér idiot a person who is extremely stupid or incompetent (often used as a derogatory insult)高分低能 gāofēndīnéng high-score, low-ability High in score but low in practical ability, often as a result of teaching to the test.