keep mum

listen to the pronunciation of keep mum
İngilizce - Türkçe
susmak
(Fiili Deyim ) bir şey söylememek
sessiz durmak
İngilizce - İngilizce
To not talk; especially keep silent about something that may be sensitive or secret

Be like dad, keep mum (British wartime poster).

not tell, keep quiet, remain silent
refuse to talk or stop talking; fall silent; "The children shut up when their father approached"
keep mum