to reveal a secret unintentionally; to make a secret known without wanting to do so
لو دادن، از دهن کسی در رفتن
Don’t tell Ted about the surprise party. I’m sure he can’t keep it as a secret. He is always careless and forgets. He’ll let the cat out of the bag and Maya will know about the surprise party before.
درباره مهمانی سورپریز چیزی به تد نگو. مطمئنم نمیتونه این رازو پنهان کنه. همیشه بی دقت و فراموش کاره. از دهنش در میره و مایا از جشن سورپریز مطلع میشه.
let the ˈcat out of the bag idiom
to tell a secret carelessly or by mistake
• I wanted it to be a surprise, but my sister let the cat out of the bag.
to let a secret be known, usually without intending to:
I was trying to keep the party a secret, but Mel went and let the cat out of the bag.