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A：I beg your pardon for being late.  请原谅，我迟到了。

B：Better late than never.  迟到总比不到好。

A：So sorry, I don't mean to be.  确实抱歉得很，我不是故意的。

B：That's perfectly all right.  没关系。

A：Thanks for your forgiving.  谢谢你的宽恕。

B：It's really of nothing.  真的没什么。

A：I'll work hard.  我会努力工作的。

B：That's quite all right.  那很好。