“that's all she wrote”别理解成“这都是她写的”，而是没什么可说的了， 这是故事的全部。

【例句】
That was all she wrote. He got hurt, and he didn't play much anymore.
这就是故事的全部了，他受伤了，他不怎么参加比赛了。

I'm sorry, Ben, but the board's decision is final. That's all she wrote, I'm afraid.
对不起，本，但董事会的决定是最终的。恐怕没什么可说的了。