英语翻译1.2.我也希望来参加你们的年会,但由于今年我已安排好去北京大学进行讲座,故无法前来.3.我恐怕工作压力将无法让

1.感谢邀请.Thanks for your invitation.2.我也希望来参加你们的年会,但由于今年我已安排好去北京大学进行讲座,故无法前来.
这句话要用虚拟与,所以应该译为：
I wish I could attend to your annual meeting, but I couldn't go because I've planned to give a lecture in Beijing University this year, 3.我恐怕工作压力将无法让我有时间给你们准备一个讲座.
I'm afraid that the working burden makes me impossible to have the time preparing a lecture for you. 4.我希望明年能参加你们的年会.
I hope I can attend to your annual meeting next year.

.1.Thanks your invitation.
2 and I hope to attend your annual meeting, but this year I have arranged to Peking for talks, it can not come.
3 I am afraid that the pressure will not let me work there give you time to prepare a lecture.
4 I hope next year can attend your annual meeting.