偷吃

偷吃	tōu chī	to sneak food; to eat sth on the sly / (coll.) to cheat on one's partner
偷	tōu	to steal / (bound form) thief / (bound form) secretly; on the sly
吃	chī	to eat; to consume / to eat at (a cafeteria etc) / to eradicate; to destroy / to absorb / to suffer (shock, injury, defeat etc)
吃	chī	variant of 吃