lose some weight

基本解释

But... someone might know that they need to lose some weight, but what they demand is potato chips.
但是......有些人可能知道他们想减肥，但是他们同样需要烤土豆片。
http://source.yeeyan.org
Doing this will over timereplace one habit with a more useful one and probably make you lose some weight too.
这样过段时间你就能用一个更有好处的习惯来取代原来的，还能减轻部分体重哦。
But no matter how eager they are to lose some weight or to tone their muscles their attempts still fail time after time.
但无论他们减肥或者健身的欲望多么强烈，他们的尝试还是一次又一次地失败了。

For example, maybe you were trying to lose some weight.
例如，也许你正在试图减肥。
I'm ~ing 课堂 - SpeakingMax英语口语达人
It does appear that it's harder to lose the weight below the waist, but there is some mixed research on that as well.
但腰部以下的脂肪似乎更难减掉,关于这点也有一些相应的研究
耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选
because, after all, you are trying to lose some weight.
因为毕竟，你最近在减肥。
I'm ~ing 课堂 - SpeakingMax英语口语达人

By moving to Germany, we hope to actually lose some weight and get into better shape.
FORBES: Chasing The American Dream ... In Germany