mettre son drapeau dans sa poche

French

Etymology

Literally, “to put one's flag in one's pocket”.

Pronunciation

• IPA^(key): /mɛ.tʁə sɔ̃ dʁa.po dɑ̃ sa pɔʃ/ ~ /me.tʁə sɔ̃ dʁa.po dɑ̃ sa pɔʃ/

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Verb

mettre son drapeau dans sa poche

1. (informal, figuratively) to conceal one's true feelings, to hide what one really thinks, not to reveal one's true convictions or allegiances