| 快 |
kuài zuǐ | unable to keep one's thoughts to oneself / blabbermouth / CL:张 |
| 快 |
kuài | rapid / quick / speed / rate / soon / almost / to make haste / clever / sharp (of knives or wits) / forthright / plainspoken / gratified / pleased / pleasant |
| 嘴 |
zuǐ | mouth / beak / nozzle / spout (of teapot etc) / CL:张,个 |