大炮打蚊子 dàpàodǎwénzi to use a sledgehammer to crack a nut Origin Definitions Defs Strokes Stroke Words Sentences Sents 大炮 dàpào noun cannon big gun; artillery打 dǎ verb to hit to strike; to knock; to beat; to break蚊子 wénzi noun mosquito mosquito; also used for midges or gnats in some contexts