loss of weight

例句：

1. 1. She decided to lose weight by exercising more.
   她决定通过锻炼来减肥。
2. 2.The doctor advised him to lose weight for his heart health.
   医生建议他为了心脏健康要减肥。
3. 3. Many people struggle with weight loss due to their busy lifestyles.
   许多人因为忙碌的生活方式而难以减肥。