ˋㄒㄧˋ

  1. 偵察機會·驃騎論功〉:內用商鞅李斯外用白起王翦伺隙。」·紀昀閱微草堂筆記··如是我聞》:烏魯木齊絕倫不耐耕作伺隙潛逃。」

to wait for the opportunity