I'm sorry, I didn't know you worked hard.Perhaps I offended you don't have time to talk to me.OK I understand you may be tired the next time we'll talk when you have time?
Sorry, I did not know you worked as hard , maybe I offended you. No time to talk to me, okay. I understand you may be tired. Next time we'll talk when you have time and are not tired.
Sorry, I didn't know you work so hard. Maybe I offended you. At no time to talk with me. Okay. I understand you may be tired. The next time we talk when you have the time and not tired.