伺隙 Traditional form: 伺隙 Pinyin (reading): sìxì Definitions: to wait for the opportunity Characters: 伺 - to serve, to wait upon, to attend; to examine 隙 - crack, fissure, split; grudge Traditional characters: 伺 - to serve, to wait upon, to attend; to examine 隙 - crack, fissure, split; grudge