Doesn't open his mouth - Idioms by The Free Dictionary
not open (one's) mouth (redirected from doesn't open his mouth)
not open (one's) mouth
To be completely silent; to remain discreet (about something); to not tell anyone (about something). All the while our teacher was shouting at us, we didn't open our mouths. Don't open your mouth about this! I would die of embarrassment if anyone were to find out.
not open one's mouth and not utter a word
Fig. not to say anything at all; not to tell something (to anyone). Don't worry, I'll keep your secret. I won't even open my mouth. Have no fear. I won't utter a word.
not open one's mouth
Also, shut one's mouth
; not say or utter a word
. Be silent, repress one's feelings or opinions, keep a secret. For example, Don't worry, I'm not going to open my mouth on this issue
, or She promised not to say a word about it to anyone
. Also see hold one's tongue
; keep one's mouth shut
open your (big) ˈmouth (informal) say something when you should not: Why do you always have to open your big mouth? Can’t you just keep quiet sometimes?
References in periodicals archive
Still, says one White House official of Cartwright, "He doesn't open his mouth
without saying something impressive.
That doesn't mean to say he doesn't open his mouth
I wouldn't argue that he is infallible in everything he says, but unlike so many of us he doesn't open his mouth
just for the pleasure of hearing himself speak.
He doesn't open his mouth
very wide so it's not a real Hollywood smile, but it's a lot better.
A nonentity following a grown man about to make sure he doesn't open his mouth
There are obviously going to be feuds that build up from certain fouls and tackles - but he's got to be careful he doesn't open his mouth
and start showing dissent.