觀釁伺隙

Simplified: 观衅伺隙

guānxìnsìxì ㄍㄨㄢ ㄒㄧㄣˋ ㄙˋ ㄒㄧˋ

    • 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

Character by character

Sources