感冒了！如何用英语去安慰人家？

You will be all right soon 你很快就会好的

Get a good rest 好好休息一下

Do get plenty of rest 好好休息一下

I hope you'll be better soon 祝你早日康复

Take good care of yourself 你要好好照顾好自己

I hope you will be better soon.
希望你能快点好起来。

I hope you are feeling better now.
希望你现在感觉好些了。

Sorry to hear that. Take care

have a rest

Take more sleep. You will be all right in several days...