当面锣，对面鼓

Explanation: Metaphor to discuss face to face, check against or controversy. 　　Source: Minglan Ling Xiao Xiao Sheng, "Jin Ping Mei" fifty-first time he heard my wife has said that these activities should be informal when he how to panic. To me, you two face to face gongs, drums on is not the opposite! " 　　Examples: Informality when he heard my wife has said to this live, how he to panic. To me, not against you two ~! (Minglan Ling Xiao Xiao Sheng, "Jin Ping Mei" fifty-back)