He's made some great movies. There's no doubt about it.

他拍了一些非常出色的影片。这一点是毫无疑问的。

Judging from his tone, there's no doubt he is against it.

听他的话音，便知他是反对的。

There's no doubt we will win.

毫无疑问，我们会成功的。

There's no doubt about that.

这毋庸置疑。

There's no doubt that our future is bright.

我们的明天毫无疑问是光明的。