伺机

伺机	sì jī	to wait for an opportunity / to watch for one's chance
伺	cì	used in 伺候
伺	sì	to watch / to wait / to examine / to spy
机	Jī	surname Ji
机	jī	(bound form) machine; mechanism / (bound form) aircraft / (bound form) an opportunity / (bound form) crucial point; pivot / (bound form) quick-witted; flexible / (bound form) organic