英 [luːz weɪt]；美 [luːz weɪt]
意思
“lose weight” 意思是 “减肥；减轻体重”，指通过减少身体脂肪含量或水分等方式使体重下降。
出处
“lose” 源自古英语 “losian”，意为 “失去，丢失”；“weight” 源自古英语 “wiht”，后演变为 “weight”，表示 “重量”。“lose weight” 这个短语结合二者含义，逐渐形成了 “减轻体重” 的意思，随着健康意识和审美观念的发展，在日常生活和健康领域广泛使用。
用法及造句 20 句
“lose weight” 是动词短语，在句子中可作谓语等。以下是 20 个例句：
She wants to lose weight before the summer vacation.（她想在暑假前减肥。）
I'm trying to lose weight by exercising regularly.（我正试图通过经常锻炼来减肥。）
Many people choose to lose weight for health reasons.（许多人出于健康原因选择减肥。）
He has lost weight since he started eating a balanced diet.（自从他开始均衡饮食以来，他已经减轻了体重。）
You need to control your diet if you want to lose weight.（如果你想减肥，你需要控制饮食。）
Losing weight takes time and patience.（减肥需要时间和耐心。）
My sister is determined to lose weight and join a fitness club.（我姐姐决心减肥并加入了健身俱乐部。）
They are discussing how to lose weight effectively.（他们正在讨论如何有效减肥。）
To lose weight, she cut out sugary drinks.（为了减肥，她戒掉了含糖饮料。）
If you don't want to gain weight, you should try to lose weight instead.（如果你不想增重，那就应该试着减肥。）
The doctor advised him to lose weight to improve his health.（医生建议他减肥以改善健康状况。）
She lost weight rapidly by following a strict diet plan.（她通过遵循严格的饮食计划迅速减轻了体重。）
I hope to lose weight before my wedding.（我希望在婚礼前减肥。）
People often use different methods to lose weight.（人们经常使用不同的方法来减肥。）
He started running every morning to lose weight.（他每天早上开始跑步来减肥。）
Losing weight can boost your confidence.（减肥可以增强你的自信心。）
She is on a mission to lose weight and get fit.（她决心减肥并保持健康。）
You can lose weight by increasing your physical activity.（你可以通过增加体育活动来减肥。）
They both want to lose weight and support each other.（他们俩都想减肥并互相支持。）
In order to lose weight, he gave up junk food.（为了减肥，他戒掉了垃圾食品。）
相关词搭配
try to lose weight：试图减肥。例如：I always try to lose weight but never succeed.（我总是试图减肥，但从未成功。）
plan to lose weight：计划减肥。例如：She plans to lose weight by going to the gym three times a week.（她计划通过每周去三次健身房来减肥。）
help sb. lose weight：帮助某人减肥。例如：This diet plan can help you lose weight.（这个饮食计划可以帮助你减肥。）
近义词
slim down：变苗条；减肥。例如：She is trying to slim down for the fashion show.（她为了时装秀努力减肥变苗条。）
drop pounds：减重；减肥。例如：He managed to drop pounds by cycling every day.（他通过每天骑自行车成功减重。）
反义词
gain weight：增加体重；长胖。例如：He has gained weight since he stopped exercising.（自从他停止锻炼后，他长胖了。）
put on weight：增加体重。例如：Eating too much junk food will make you put on weight.（吃太多垃圾食品会让你增加体重。）