B1 Informal Discretion

„Er weiß reinen Mund zu halten."

He knows how to keep a close mouth.

Er weiß reinen Mund zu halten. — German idiom meaning: He knows how to keep a close mouth. (B1)
Er weiß reinen Mund zu halten. — German idiom reference | DeuTale

What does „Er weiß reinen Mund zu halten." mean in German?

„Er weiß reinen Mund zu halten." means "He knows how to keep a close mouth.." Literally: "He knows to keep a clean mouth.."

Literal Translation

"He knows to keep a clean mouth."

Er He
weiß knows
reinen to
Mund keep
zu a
halten clean

English Equivalent

"He knows how to keep a secret."

This English idiom conveys the same meaning as the German expression.

Grammar Notes

'reinen Mund halten' = to keep quiet

When is this idiom used?

Informal

This expression is used in informal, casual German conversation among friends and family.

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