let the cat out of the bag

意味

to reveal a secret, often without meaning to

秘密を漏らす（多くはうっかり）.

例文

1. 1I nearly let the cat out of the bag when I mentioned the surprise tickets.
2. 2Who let the cat out of the bag about our new puppy?
3. 3Dan let the cat out of the bag by asking Mum what time her surprise party started.
4. 4We hadn't announced our move, but a photo of the packed boxes let the cat out of the bag.
5. 5Whenever she names the mystery guest before the show, she lets the cat out of the bag.

文法

変化するのは let だけ：let、lets、letting。過去形も let。二つの the はどちらも残す。

似た意味の表現