a. not in or exhibiting good health in body or mind
s. not conducive to good health
a. 不健康的
1. Eating too much junk food is unhealthy for your body.
吃太多快餐对你的身体是不健康的。
2. Smoking is known to be an unhealthy habit.
吸烟被认为是一种不健康的习惯。
3. It’s important to have a balanced diet to avoid unhealthy weight gain.
保持均衡饮食很重要，以避免不健康的体重增加。