(1)Not at all. 不用谢./没关系.
(2)That's all right. 不用谢./没关系.
(3)That's OK. 不用谢./没关系.
(4)It's nothing. 没什么./没关系.
(5)Don't mention it. 不要客气.
(6)Forget it. 忘掉它.
(7)No problem. 没问题.
2)、只能用于thank you 的答语:
(1)It's a pleasure. 不用谢.
(2)You are welcome. 别客气.
(3)My pleasure. 我很乐意.
3)、只能用于sorry的答语:
(1)It doesn't matter. 没关系.如:
— I'm sorry I'm late. 对不起,我迟到了.
— It doesn't matter. 没关系.
(2)Never mind. 没关系.如:
—I'm sorry I can't help you. 对不起,我不能帮你了.
— Never mind. 没关系.