let the cat out of the baglet the cat out of the bag1.■真相大白, 秘密泄露We tried to keep the party a surprise for my mother but my sister let the cat out of the bag.我们原打算来一个晚会使妈妈意想不到, 但我妹妹泄露了秘密。
let the cat out of the bag1.■(尤指无意中)泄露秘密 [见 cat ]2.■无意中泄露机密;说走了嘴
见:cat: let the cat out of the bag