嘴欠 zuǐqiàn to have a loose tongue Definitions Defs Origin Strokes Stroke Words Sentences Sents 嘴 zuǐ verbnoun speech a person's words, talk, or way of speaking欠 qiàn verb to lack To be short of; to be deficient in. This is often used as a polite or mild way to say something is not quite right, such as being not quite appropriate or not quite well-considered.