整理被子用英语可以表示为"make the bed"或"tidy up the bed."这个短语的来源可能源自于日常生活中人们在使用被子时的常见行为。

例句：

Please make the bed before you leave the room. (请在离开房间之前整理好被子。)

I always make my bed as soon as I get up in the morning. (我总是在一早起床后立刻整理被子。)

Could you help me tidy up the bed? It's a mess. (你能帮我整理被子吗？它真的太乱了。)