find out
Pronunciation:
verb
Definitions
To discover, as by asking or investigating.
Example: I don't know who the twenty-first president of the United States was, but it should be very easy to find out.
To discover or expose (someone) as disobedient, dishonest, etc.
Example: He had been fiddling the books for years, but finally he was found out.
To uncover a weakness (in someone).
Example: He may cope with the multiple choice questions, but the written exam will find him out.