Comprehensive resource for understanding and mastering English idioms
The idiom "turn out" means to come or appear in a certain place or at a certain time, especially for a particular purpose. It can also mean to produce a particular result or outcome, or to be revealed or exposed. Figuratively, it can mean to reveal the true nature of someone or something.
The origin of "turn out" is uncertain, but it may come from the phrase "to turn out one's pockets", which meant to reveal or produce something. It has been used since at least the 16th century, as seen in Shakespeare's plays. In contemporary language, the figurative meaning of "turn out" has become more common and can be applied to people or situations that are revealed or exposed.