have a big mouth

Meaning: To talk too much, especially about things that should be kept secret.

Language: English

Literally: (Already vivid in English)

Example: “Don't tell him about the party; he has a big mouth.”

Category: Body & Senses

Origin: The mouth stands for speech. The phrase is common in American English from the late 19th century.

Equivalents in other languages

a bundle of nerves — A very anxious or nervous person.
light-fingered — Tending to steal.
Tomber dans les pommes — Suddenly losing consciousness — possibly derived from the older expression 'être dans les…
Avoir la moutarde qui monte au nez — To be getting angry.
Couper les cheveux en quatre — To over-analyze or split hairs.
Se regarder le nombril — To be self-centered or narcissistic.

an army marches on its stomach — People cannot work well without food.
come down hard on someone — To punish or criticize someone severely.
when it rains, it pours — Bad things tend to happen together.
like a headless chicken — In a frantic, disorganized way.
The last straw that broke the camel's back — The final small burden that causes a total collapse.
To have a frog in your throat — To have difficulty speaking due to hoarseness.

She sells seashells by the seashore. — The definitive 's' versus 'sh' alternation — the tongue has to switch place of articulati…
Peter Piper picked a peck of pickled peppers. — A relentless 'p' plosive drill; a peck is an old dry measure of about nine litres.
Unique New York. — Three words that jam the 'y/n/k' sequence together — repeat it and it collapses into 'you…