to sneak out
[phrase form: sneak]
01
こっそり抜け出す, 内緒で出かける
to leave a place quietly and secretly, often to avoid being noticed or caught
例
She waited until everyone was asleep before she tried to sneak out of the house.
彼女は皆が眠るまで待ってから、家からこっそり抜け出そうとした。
