I believe what she says is right, but there is one thing that I don't understand.

我相信她所说的是正确的，但有一件事我不明白。

youdao

I believe there is no escape from the rule of life that we must do many, many little things to accomplish even just one big thing.

我相信我们必须做许许多多小事才能成就大事，哪怕只一件大事。这一规律无法逃避。

youdao

I believe what she says is right but there is one thing that I don't understand.

我相信她所说的是正确的。但有一伯事我不明白。

youdao