1.It's OK. / That's OK. 沒事兒!
2.No problem at all. 完全不是什么問題。
3.Forget it. / Don't take it to heart. / Never mind. / Don't worry. 別往心里去。別在意。
4.It doesn't matter. 不要緊。
5.Why? What's wrong? 為什么這么說?怎么了?
6.That wasn't about you. / It's not your fault. 不是你的錯。不關你的事。
7.Don't blame yourself. 不要責怪你自己。