mouth · n
keep your mouth shut
B2 to say nothing
Dictionary examples:
He told me to keep my mouth shut. (17.9)
shut your mouth
B2 to stop talking
Dictionary examples:
Just shut your mouth and stop whining! (52.1)
mouth of a river
C1 where a river goes into the sea
Dictionary examples:
It is a small village, by the mouth of a river. (26.4)
by word of mouth
C2 by one person telling another telling you
Dictionary examples:
Students learned of the center by word of mouth. (18.8)
put your foot in your mouth
C2 to say something you should not say, especially something embarrassing
Dictionary examples:
He makes outrageous comments and is always putting his foot in his mouth. (50.0)
mouth
A1 the part of the face that is used for eating and speaking
Dictionary examples:
My mouth talks when I'm sleeping! (0.0)
Oops! Food fell out of my mouth. (0.0)
My mouth wants pizza now! (0.0)
You shouldn't put so much food in your mouth at once. (22.4)
Open your mouth wide and say "Ah." (68.5)