The idiom means that you can't wait for something.

这个成语就是指急迫得不能再等待了。

youdao

So, I can't wait, and, hopefully I'll be here getting something for it next year.

所以，我简直等不及了，希望我明年能因此在这儿得个什么奖项。

youdao

And you can't wait for the perfect time to do something. That time never comes.

而且你也不可以等到一个最佳的时刻再去做事，因为这样的时刻从来不会出现。

youdao

The other issue that may get fixed by a future update is something we just weren't willing to wait for: you can only play albums and playlists in alphabetical order.

ENGADGET: iRiver H10: Hands-on review