形容詞 unhealthy:

1. not in or exhibiting good health in body or mind
2. detrimental to health
   同義詞：insalubrious, unhealthful
3. not conducive to good health

1. The sick boy had an unhealthy flush and must have contracted pneumonia.
   病孩子臉上有一種不健康的紅暈，一定是感染上肺炎了。
2. Having a sickly or unhealthy pallor indicative of nausea or jealousy, for example.
   臉色難看的臉色呈病態(tài)或不健康的蒼白色，可能由惡心或妒忌引起
3. Their slavish devotion to the leader is unhealthy.
   他們對領導的盲目崇拜是不健康的。