2--As a matter of fact, he hasn't been feeling too well.

1--I'm sorry to hear that. Whats the matter?

2--He has a slight fever.

1--Tell him I hope he's better soon.

2--I'll tell him. Thanks for asking about him.

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注解：
 
1.As a matter of fact事实上   
2.slight fever轻微发烧   
3.better soon很快好起来   

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译文：

1--你的哥哥最近怎么样？

2--事实上，他身体不太舒服。

1--听到这个我很遗憾，他怎么了？

2--他有点发烧。

1--辖告他我希望他能很快康复。

2--我会转告的。感谢你对他的问候。