spill the beans

US /spɪl ðə biːnz/
UK /spɪl ðə biːnz/
"spill the beans" picture
1.

泄露秘密, 说漏嘴

to reveal a secret or surprise

:
Come on, spill the beans! What did you get for your birthday?
快,说出秘密!你生日收到什么了?
She accidentally spilled the beans about their surprise party.
她不小心泄露了他们惊喜派对的秘密。