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A person who tends to speak freely or indiscreetly, often revealing private or sensitive information without careful consideration.
입이 가벼운 친구는 우리 비밀을 모두 친구들에게 말했을 거야.
My friend who talks too much must have told all our secrets to his friends.
This phrase is often used to describe someone who is not trustworthy with confidential information.
This phrase is often used in casual conversations to describe someone who is not trustworthy with personal or confidential information.
The phrase combines '입이 가벼운' (literally 'light mouth') to describe someone who speaks carelessly, and '사람' (person).
This phrase is commonly used in informal contexts to describe someone who is not reliable with sensitive information.