big mouth

US /ˈbɪɡ ˌmaʊθ/
UK /ˈbɪɡ ˌmaʊθ/
"big mouth" picture
1.

mulut besar, tukang gosip

a person who talks too much, especially about things that should be kept secret

:
Don't tell him your secret; he's a real big mouth.
Jangan ceritakan rahasiamu padanya; dia benar-benar mulut besar.
Her brother is such a big mouth, he always spills the beans.
Kakaknya benar-benar mulut besar, dia selalu membocorkan rahasia.