Understanding the past provides insight into how and why things have shaped up the way they are now.

了解过去可以洞察事物如何以及为何会变成现在的样子。

Maybe, but he shaped up. Now he's a valuable member of the team. I think he was overworked and dealing with some personal issues.

也许吧，但他好好表现了。现在他是团队中有价值的一员。我认为他过分努力了，在处理一些私人问题。