話到嘴邊

to be on the verge of saying what is on one's mind

dialect / language / spoken words / speech / talk / words / conversation / what sb said / CL:種|种[zhong3],席[xi2],句[ju4],口[kou3],番[fan1]

to (a place) / until (a time) / up to / to go / to arrive / (verb complement denoting completion or result of an action)

to reach; to arrive / to leave for; to go to / to (a place); until (a time); up to (a point) / (verb complement indicating arriving at a place or reaching a point) / considerate; thoughtful; thorough

mouth / beak / nozzle / spout (of teapot etc) / CL:張|张[zhang1],個|个[ge4]

side / edge / margin / border / boundary / CL:個|个[ge4] / simultaneously

suffix of a noun of locality

A still tongue makes a wise head. (idiom)