英语翻译不均衡的饮食和不健康的生活方式夺走了头发的美丽（rob）城市中的空气也会损伤头发（damage）缺乏练习使他没有

unbalanced diet and unhealthy life will rob the beautity of hair.
the air in the city will damage hair too.
Lacking of practice makes him failure in the exam.
It is wise to choose soft enough comb to avoid damaging the hair.
Ensure to eat adequate protein and dairy products every day.