I don't know if it's possible to finish this by the end of today.

我不知道我们能不能在今天之内把这件事做完。

I don't know 课堂 - SpeakingMax英语口语达人

This needs to be complete by the end of today.

这需要在今天之内做完。

I don't know 课堂 - SpeakingMax英语口语达人

And, as always, you can judge us by the end of today, or you can judge us by the end of the year, or the end of four years.

WHITEHOUSE: Press Briefing

The winds came up a bit in Rio on the second day of the 3rd PrepCom, but will they be strong enough to get substantive outcomes by the end of today?

FORBES: What are they talking about at Rio+20?

How's this for irony: The clean fuel of the future could end up being developed by the oil titans of today.

FORBES: Magazine Article