U-4:upside down 乱七八糟
A:She is always dressed up to the nines, but her dormotory is always upside down.
A:她穿得很漂亮，但她的宿舍总是乱七八糟的。
B:It's out of my surprise.
B：太出人意料了。
A:She is my neighbor. I know her clearly.
A：她是我的邻居，我很了解她。
B:No wonder.
B：怪不得。
