There's no time to waste.

没有时间去浪费。

There is no time to waste.

时不我待。

Certainly, one thing is clear: there is no time to waste.

当然，有一件事是明确的：不能再浪费时间了。

I shall have no time to waste in regrets or longings; there is too much to see.

我没有时间去浪费在后悔中或渴望中，要看的东西太多了。