big mouth
US /ˈbɪɡ ˌmaʊθ/
UK /ˈbɪɡ ˌmaʊθ/
1.
大嘴巴, 多嘴的人
a person who talks too much, especially about things that should be kept secret
:
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Don't tell him your secret; he's a real big mouth.
別告訴他你的秘密；他是個真正的大嘴巴。
•
Her brother is such a big mouth, he always spills the beans.
她哥哥真是個大嘴巴，總是洩露秘密。