It's our anniversary; let's go somewhere special to celebrate.
今天是我们的结婚纪念日, 我们去一个特别的地方庆祝吧。
I don't think so.
我可不这么想。
I'm not sure. I ought to do some studying, as I've got masses of work to do, but I think I'll be too tired. Maybe I'll just watch the news on television and go to bed early.