Practice it, try to be happy no matter what.
多练习几次,不管怎样都要试着开心起来。
I think that's pretty sad. I try to be happy when I can.
我觉得那真让人感到悲哀。而我总会尽量让自己高兴点。
When you are ill, try to be happy and you'll feel better.
当你生病时,试着高兴些,这样你会感觉好点儿。
If you have questions about this I hope that you've already taken advantage of the teaching fellows or come up after class, I'd be happy to try to answer your questions now if you have time as well.
如果你对这些内容有疑问,我希望你能从助教那里获得帮助,或者课后来找我,我现在非常乐意回答你的问题,如果你们正好也有空的话
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