ADJ Something that is unhealthy is likely to cause illness or bad health. (物) 不利健康的
ADJ If you are unhealthy, you are sick or not in good physical condition. (人) 不利健康的
ADJ An unhealthy economy or company is financially weak and unsuccessful. (经济或公司) 不景气的
ADJ If you describe someone's behaviour or interests as unhealthy, you do not consider them to be normal and think they may involve mental problems. (行为、兴趣) 不正常的 [1]
unhealthy tendency 不正之风[1]
His skin had an unhealthy greyish tinge.
他的皮肤有些许不健康的淡灰色。
The early industrial cities were squalid and unhealthy places.
早期的工业城市曾是些又脏又乱、不利健康的地方。
Eye problems can indicate an unhealthy lifestyle with subsequent suppression of the immune system.
眼睛问题表明一种不健康的生活方式以及随后免疫系统所受的抑制。[1]