觀ㄍㄨㄢguān釁ㄒㄧㄣˋxìn伺ㄙˋsì隙ㄒㄧˋxì

  1. 觀察對方的破綻，等待機會行動。《三國演義·第七四回》：「既定漢中，然後練兵積粟，觀釁伺隙，進可討賊，退可自守。」

英lit. to look for holes, and observe gaps (idiom)​, fig. to search out one's opponent's weak points, to look for the Achilles' heel