kiss and tell
US /kɪs ænd tɛl/
UK /kɪs ænd tɛl/

1.
爆料, 泄露私情
to reveal intimate details about a sexual or romantic relationship, especially for financial gain or publicity
:
•
She wrote a book to kiss and tell about her affair with the celebrity.
她写了一本书来爆料她与那位名人的恋情。
•
He promised not to kiss and tell after their breakup.
他承诺分手后不会爆料。