regret

我对早早辍学并不后悔。

I have no ___regret about leaving school early.

如果你现在不道歉，你以后会后悔的。

If you don't apologize now, you will ___regret it later.

你做了一个好决定，所以你不应该后悔。

You made a good decision, so you shouldn't ___regret it.