Could weather, isn't it?天气很冷，不是吗
Excuse me, aren't you liming?对不起，你不是李明吗
Say, haven't I seen you somewhere before?你好，我是不是以前在什么地方见过你
I say, who's on the telephone?喂，谁打来的电话
Excuse me, I have to take off.对不起，我得走了
I really can't stay any longer.我真的不能再待了
I'd better be going.我最好还是走了
Sorry, I ought to get along.对不起，我该走了
I'm afraid I have to leave.恐怕我要走了
He is bouncy.他精力充沛