
IdiomDaily Life
English
mum's the word
Meaning: Keep this secret; say nothing.
Example: “We're planning a surprise party, so mum's the word.”
Origin: "Mum" imitates the sound made with closed lips. It is found in Shakespeare's Henry VI, Part 2 (around 1591): "Seal up your lips and give no words but mum."
Equivalents in other languages
Italian: Acqua in bocca Literally: Water in the mouth
Romanian: A tăcea ca porcul în păpușoi Literally: To stay silent like a pig in the cornfield
Polish: trzymać buzię na kłódkę Literally: To hold one's mouth on a padlock
French: Motus et bouche cousue Literally: Motus and mouth sewn shut
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