to sneak away
01
こっそり抜け出す, 気づかれずに去る
to leave a place quietly or without being noticed
例
As the party continued, she decided to sneak away without attracting attention.
パーティーが続く中、彼女は注目を集めずにこっそり抜け出すことに決めた。
The spy managed to sneak away from the enemy camp undetected in the darkness of the night.
スパイは夜の闇に紛れて敵のキャンプからこっそり抜け出すことに成功した。
