由于我最近一段时间功课实在太忙而没能及时给你们回信，实在是抱歉！
Really too was busy as a result of my recently period of timeschoolworks but has not been able promptly to reply in writing foryou, really was was sorry!
抱歉我实在是帮不了这个忙。
本人汉语水平与各位的英语水平相比实在是相形见绌，对此我十分抱歉。但我仍然十分期待与各位进行此次对话。
And I am very sorry that my Chinese is not as good as your English, but I am looking forward to this chance to have a dialogue.
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