Avoid unhealthy foods such as hamburger and chips.

不要吃不健康食品，如汉堡和薯条。

He worked in the notoriously unhealthy environment of a coal mine.

他在一个环境出了名恶劣的煤矿里工作。

I'm quite unhealthy really.

我真的很不舒服。

...a poorly dressed, unhealthy looking fellow with a poor complexion.

衣衫褴褛、脸色憔悴、一副病容的人

The redundancy of skilled and experienced workers is a terrible waste and a clear sign of an unhealthy economy.

技术熟练、经验丰富的工人过剩是可怕的浪费，也是经济运行不良的明显征兆。

Frank has developed what I would term an unhealthy relationship with these people.

弗兰克与这些人的关系在我看来不正常。

This government has developed an unhealthy obsession with secrecy.

本届政府在保密方面做过了头。

MacGregor believes it is unhealthy to lead a life with no interests beyond politics.

麦格雷戈认为生活中只对政治感兴趣而没有其他爱好是不正常的。