大发牢骚 dàfāláosao to complain bitterly Origin Definitions Defs Strokes Stroke Words Sentences Sents 大 dà adverb greatly greatly; fully; to a high degree; (when used after 不 bù) not very; not often发牢骚 發牢騷 fāláosāo verb + noun to complain To grumble; to whine; to express dissatisfaction or resentment toward others