let slip

idiomatic transitive

(transitive, idiomatic) To divulge a secret, as by accident or mistake.

Japanese Meaning

うっかりまたは誤って秘密を漏らすこと

During the interview, he accidentally let slip the details of the surprise party.

インタビューの最中に、彼はサプライズパーティーの詳細をうっかり漏らしてしまった。

Sense（1）

(transitive, idiomatic) To divulge a secret, as by accident or mistake.

He finally let slip that they plan to take over the business.

lets slip

（ present singular third-person ）

letting slip

（ participle present ）

let slip

（ participle past ）

let slip

（ past ）