打呵欠 dǎhēqian to yawn 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)呵欠 hēqiàn yawn The reflex of opening the mouth wide and inhaling deeply when tired or sleepy; also written 哈欠 hāqian