Cách sử dụng
"Not at all" is an expression you can use in response to someone thanking you or apologizing to you. It means "you're welcome" or "no problem" or "don't worry about it." For example, if someone says "Thank you for helping me," you can respond with "Not at all" to show that you were happy to help and it was not a big deal for you. You can also use "not at all" to disagree with someone or say "no" politely. For example, if someone asks if you're busy and you're not, you could say "Not at all" to let them know you have time to talk or do something together. Overall, "not at all" is a polite and casual phrase often used in conversation for various purposes.