bite your tongue

US /baɪt jʊər tʌŋ/
UK /baɪt jʊər tʌŋ/
"bite your tongue" picture
1.

to make a conscious effort to avoid saying something that you want to say, often because it would be inappropriate or cause trouble

:
•
I had to bite my tongue to keep from telling him what I really thought.
•
She wanted to argue, but decided to bite her tongue.
:
with your tongue in your cheekbe on the tip of your tonguehold your tonguetonguebiteget your tongue aroundmother tongue