3. I'm afraid I've taken too much of your time. 对不起,占用了你很多时间。
A: Excuse me. I'm afraid you're in my seat. You've moved my books. 对不起,你坐的是我的座位,你把我的书拿开了。
B: Oh, dear. 哎呀。
A: You must have realized somebody was here. 你一定知道这里是有人的。
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. 我找了一下,一个空位都没有。我又等了一会,见没人来。如果我占的是你的座位,对不起了。