觀釁伺隙 [ㄍㄨㄢ ㄒㄧㄣˋ ㄙˋ ㄒㄧˋ; guan1 xin4 si4 xi4] lit. to look for holes, and observe gaps (idiom); to search out one's opponent's weak points to look for the Achilles heel ◄ ►
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