lose weight

例句：

1. 1. I need to lose some weight for my upcoming vacation.
   我需要减肥，为即将到来的假期做准备。
2. 2. She lost 5 kilograms in the first week of her diet plan.
   她在饮食计划的第一周就减掉了5公斤。
3. 3.The doctor advised him to reduce his calorie intake to lose weight.
   医生建议他减少卡路里摄入以减肥。