妄自菲薄 wàngzìfěibó to undervalue oneself; to underestimate oneself Definitions Defs Origin Strokes Stroke Words Sentences Sents 妄 wàng adverb rashly (bound form) rashly; recklessly; blindly; without basis or reason自 zì affixadverb self (bound form) self; oneself; one's own; refers to an action done by oneself or to oneself菲薄 fěibó to belittle to belittle; to despise; to look down upon someone or oneself