偷吃

偷吃	tōu chī	to eat on the sly / to pilfer food / to be unfaithful
偷	tōu	to steal / to pilfer / to snatch / thief / stealthily
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