1 unable to conceal one's happiness, amazement, shock etc

2 grinning from ear to ear

3 mouth agape

4 gobsmacked

1 mouth

2 beak

3 nozzle

4 spout (of teapot etc)

5 classifier: 张 zhāng

6 classifier: 个 gè

1 mouth

2 classifier: 张 zhāng

3 slap in the face

4 classifier: 个 gè

1 lane

2 alley

1 to hold one's tongue

2 Shut up!

1 to have a sharp tongue but a soft heart (idiom)

1 lit. dry mouth and tongue (idiom); to talk too much

1 lit. the mouth that has been fed by others is soft, the hand that has received doesn't reach (idiom)

2 fig. one is partial to those from whom presents have been accepted

1 lit. to play with one's grandchildren while eating candy (idiom)

2 fig. to enjoy a happy and leisurely old age

1 outspoken and frank (idiom)