打哈哈 dǎhāha to joke Origin Definitions Defs Strokes Stroke Words Sentences Sents 打 dǎ verb to sneeze; to yawn to perform certain involuntary bodily actions (as in 打喷嚏 dǎpēntì, 打哈欠 dǎhāqian, or 打嗝 dǎgé)哈 hā reduplication ha-ha onomatopoeia for the sound of laughter