In the end it turned out for the best. 最终证明了这个选择是最佳的。

　　Let's turn out all the lights and we'll watch the movie! 我们把所有的灯都关了，看电影吧！

　　She was engaged to a guy who turned out to be gay! 她订婚的那个男的居然是个同性恋！

　　It turn out it was a mistake. 最后才发现大错特错。

　　I'm not sure we can get through this difficult time.  我不太确定，我们能不能走出这个难关。

　　Don't worry. Things always turn out for the best.  不要担心，事情总会变好的。