Cách sử dụng
The word 'regret' means feeling bad or sorry about something that you did or didn't do in the past. It is often used to express sorrow or disappointment about something that you wish you could change. For example, you might regret not studying harder for a test, or regret saying something mean to a friend. It is important to use this word in a polite and respectful way when expressing remorse or apologizing for something.