A:Could you just hold this for me?
你可以帮我拿这个吗?
B:What are you doing?Is anything wrong?
你在干什么?出什么问题了吗?
A:Yes,but I've nearly fixed it .Just take it ,will you?
是的,但是我快要修好了。拿一下这个,好吗?
B:Oh,yes,of course.I'm sorry-I wasn't thinking.....
噢,是的,当然可以。对不起——我没有想...