(not used in the progressive tenses) to realize the truth about sb/sth :
We saw through him from the start.
I can see through your little game (= I am aware of the trick you are trying to play on me) .
(not used in the progressive tenses) to realize the truth about sb/sth :
We saw through him from the start.
I can see through your little game (= I am aware of the trick you are trying to play on me) .
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005