78.Not at all.不用谢;没关系；一点也不

78.Not at all.不用谢;没关系；一点也不…

A：Thanks for helping me. 谢谢你帮助我。
B：Not at all. I enjoyed it. 别客气，很高兴能帮你。

A：I’m sorry I’m late. 对不起，我迟到了。
B：Oh， not at all， do come in. 噢，没关系，请进来。

It's not polite at all to speak in full mouth .
满嘴说话是一点都没有礼貌的。