I know what it's like to put your heart and soul into something and get nothing out of it.

我知道那是什么感觉，你全身心地投入在某个东西里面但是却毫无结果。

Wait, look, you put your heart and soul into something.

等等 听着 你倾注你的一切在某件事上。

It's when you didn't do what was right and you failed because you didn't put your heart and soul into it, and you let the team down.

当你没有做正确的事情，你失败了，因为你没有全心全意去做，你让团队失望了。