窥伺 Traditional form: 窺伺 Pinyin (reading): kuīsì Definitions: to spy upon to lie in wait for (an opportunity) Characters: 窥 - to peep, to spy on, to watch 伺 - to serve, to wait upon, to attend; to examine Traditional characters: 窺 - to peep, to spy on, to watch 伺 - to serve, to wait upon, to attend; to examine