Definition: to feel sorry about a situation, especially something that you wish you had not done Level: B1
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.
她非常后悔没有计划就辞职了。
She deeply ___regrets quitting her job without a plan.
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.
