身在曹营心在汉

Explanation: Although the body metaphor in the opposing party, but thought about their origin in the party. 　　Usage: Complex sentence; as predicate, the clause; with a compliment 　　Source: Bo Yong "Qinchuan children" the first chapter: "body heart in Cao Ying Han, he is launched gold, silver dismount, I bought not even think to move."