zhāng​kǒu

start talking

张口 (張口) zhāng​kǒu
start talking verb
to begin to speak, especially to make a request or ask for a favor

I'm really embarrassed to ask him for a loan.

open mouth verb
to open one's mouth (to eat, breathe, or show surprise); to gape

The doctor asked the patient to open their mouth to check their throat.

Frequency

Movie subtitles
0.800 per million appears in 0% of films
Written text
3.23 per million

Sources

Definitions
CC-CEDICT