Не представляю как ты можешь меня разочаровать из-за того, что ты будешь занят работой)) Наверное по причине моего плохого английского ты думаешь, что я тебя неправильно понимаю.
I can't imagine how you can disappoint me because of the fact that you're going to be busy with work)) Probably because of my poor English do you think I got you wrong understand.
I can not imagine how can you disappoint me due to the fact that you will be busy with work)) Probably because of my bad English you think you misunderstand me.
I don't how can you disappoint me because of the fact that you'll be busy work)) i think the reason that my poor English you think that I correctly understand.