If you don't do it now, you'll only regret it.

你如果现在不做，以后一定会后悔的。

《牛津词典》

I could do it now, if you like.

如果你愿意的话，我现在就可以做这事。

《牛津词典》

Sorry, I haven't got time to do it now—I'm in a hurry.

对不起，我现在没时间管这个—我忙着呢。

《牛津词典》

And I knowed I could pray now. But I didn't do it straight off, but laid the paper down and set there thinking -- thinking how good it was all this happened so, and how near I come to being lost and going to hell.

VOA: special.2010.03.21

Now let me do it a second time to show you that -- I'm saying this poorly.

还不至于如此呢,现在让我再做一次给你们看。

麻省理工公开课 - 计算机科学及编程导论课程节选

So, we still call them coupons, but now we don't do it-- we do things electronically.

所以,我们仍然称当期债券利息为"票息",只不过现在我们不这样做了,现在电子化了

耶鲁公开课 - 金融市场课程节选

So we can do it now, we can do it later -- now is the time to do it.

WHITEHOUSE: Meeting of the President's Council on Jobs and Competitiveness | The White House

"There are only a handful of guys that can do it right now -- Roger (Federer) being one of them, " Lendl said.

CNN: Death of a tennis art: Is this the end for serve and volley?

So now, it's like I have to - my life is like Planters and fruit now, and living right do it, like - it's a big thing being in the desert, too.

NPR: Child Hunger: Nutritious Food Tough To Afford