to let leak; to let out (e.g. light); to let out (a secret); to leak (information); to give utterance to (e.g. one's dissatisfaction); to vent; to wet one's pants
Examples (2 in total)
あなたはその秘密を漏らすべきではなかったのに。
You ought not to have disclosed the secret.
ついに彼女は彼に屈して秘密を漏らした。
At last, she gave in to him and told him the secret.