Read Edit View history 嘴牢 zuǐláo tight-lipped Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 嘴牢 · zuǐláo · tight-lipped 2026/03/04 嘴牢 zuǐláo tight-lipped tight-lipped; able to keep a secret 他嘴很牢，什么都不会乱说。 created sense Mar 4, 2026, 02:25 AM