This is the 1877th most frequent Chinese word.
出來
"出來" means "to come out" or "to emerge."
In this sentence, "出來" is used to indicate the achievement or realization of a result, implying that the solution to the problem has emerged and become clear.
他把問題解決出來了。
He solved the problem.
Here, "出來" is used after "看" to express the ability to discern or understand something based on observation, essentially meaning 'to perceive clearly'.
你看出來她很高興嗎？
Can you tell that she is very happy?
In this context, "出來" describes a physical action or result of movement, indicating that the keys may have exited or fallen out from an enclosed space such as a bag.