在英语中表达安慰时，可以使用以下几种常见的表达方式：

Pull yourself together.振作起来。

Keep your chin up.别灰心，抬起头。

Don't let it get you down.别为此烦恼。

It will be over very soon.事情很快就会过去的。

Don't be so miserable!别这么难过!一切都会好起来的。

Don't worry.别担心。

It's going to be okay.会好起来的。

I'm here for you.我在你身边。

Don't worry too much.不要太担心。

Well done!干得不错!

Come on!别灰心。

I'm really sorry!我真的很抱歉。

Never mind.没关系。

Don't worry about it.It's okay.

Forget about it.It's nothing。

What a shame!真遗憾!

Bummer!真倒霉!

Better luck next time!下次好运!

这些表达可以根据具体情境进行选择和组合，以确保传达出真诚和安慰。

例如，如果你要安慰一个因考试失利而情绪低落的朋友，你可以说：

"Dear Tony, I'm sorry to hear that you didn't do well in your exam and that you are very worried about your study. I quite understand how you feel now. There is no doubt that we should keep a good state of mind. As we know, failure is the mother of success. We should spare no efforts to analyze the cause of failure, which could help us find out the mistakes we made and try to make up for the lack of knowledge and skills in those areas. Only in this way can we make progress in our studies. Keep your chin up and believe that better luck will come next time."

这样的表达既传达了理解和同情，又提供了积极的鼓励和具体的建议，有助于朋友重拾信心。