My trousers won't remain up; I've lost so much weight.

我的裤子系不住了, 因为我瘦了很多.

《简明英汉词典》

The stock prices were unlikely to remain up after the bad news.

经过这个坏消息之后,股价不可能保持在高位.

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The prices of vegetables remain up although they are in season.

尽管是蔬菜旺季,菜价仍然很贵.

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To do our homework, we have to remain up late every day.

为了做家庭作业, 我们每天都得熬夜.

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