瞰瑕伺隙

Explanation: Watching for the other gap 　　Usage: Joint type; as predicate; containing derogatory 　　Source: Qing Xue, "On the ground not far away a little of the wrong": "States did not dare Yuduo I do not fight, by that I do not prepare, Kan Xia Sixi, incidents and then ridden without poverty."