The sick boy had an unhealthy flush and must have contracted pneumonia.
病孩子脸上有一种不健康的红晕,一定是感染上肺炎了。
Having a sickly or unhealthy pallor indicative of nausea or jealousy, for example.
脸色难看的脸色呈病态或不健康的苍白色,可能由恶心或妒忌引起
Their slavish devotion to the leader is unhealthy.
他们对领导的盲目崇拜是不健康的。