put on weight​ 汉语意思：增加体重；长胖 短语详解：这是“take off weight/lose weight”的反义短语。意思是体重增加、变重。可以指有意增重（如健身增肌），但更多时候指非预期地发胖。 例句： She has put on​ a lot of weight​ since she stopped exercising. 自从停止锻炼后，她体重增加了不少。 During the holidays, it's easy to put on a few kilos. 节假日期间，很容易长胖几公斤。