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

to hold one's tongue; Shut up!

to open one's mouth (to speak, esp. to make a request); to gape

talkative; to speak out of turn; to blab; to shoot one's mouth off; rumors fly

a full mouth of (sth physical); to have the mouth exclusively filled with (a certain language, lies, promises etc)