- 挂在嘴边 guàzàizuǐbiān harp onTo keep saying something over and over; to constantly mention something.
- 话到嘴边 huàdàozuǐbiān on one's tongueto be on the verge of saying what is on one's mind
- 话到嘴边留三分 huàdàozuǐbiānliúsānfēn discretionA still tongue makes a wise head; to be cautious in what one says.