I'm afraid... 我恐怕……
1.I'm afraid I'm late.
2.I'm afraid you don't see my point.
3. I'm afraid I've taken too much of your time.
A:Excuse me. I'm afraid you're in my seat. You've moved my books.
A:You must have realized somebody was here.
B:Oh, well, I looked around. There wasn't any other space, I waited a while and nobody came. I'm sorry if I've taken your place.