如果我当时离开，现在会后悔。

If I had left, I would regret now.

youdao

你如果现在不做，以后一定会后悔的。

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

《牛津词典》

从现在开始的40年里，你将会后悔还没做什么，没欣赏什么或者没尝试什么吗？

Start doing it. In 40 years from now what is it that you will regret not having accomplished, appreciated or attempted?

youdao