通常房间变乱的英语表达是 "a room gets cluttered" 或 "a room becomes cluttered."
"Cluttered" 这个词有 "混乱"、"凌乱" 的意思，通常用来形容房间、场所或者工作区域的整洁程度。这个词的来源可以追溯到中世纪的英语，当时的意思是 "那些应该彼此分离的东西混在一起"，后来才有了现在常用的意思。
下面是一些例句：
I need to clean up my bedroom, it's getting cluttered. (我需要打扫我的卧室，它变得很凌乱了。)
My desk is always cluttered because I have too much stuff. (我的桌子总是很凌乱，因为我有太多的东西。)
She can't find anything in her cluttered closet. (她在她那乱七八糟的衣橱里找不到任何东西。)
The kitchen is a mess because it's cluttered with dirty dishes. (厨房很乱，因为里面堆满了脏盘子。)