形容詞 upside down:

1. being in such a position that top and bottom are reversed
   同義詞：inverted, upside-down

副詞 upside down:

1. in an inverted manner

1. She turned the discussion upside down by asking a foolish question.
   她問了一個愚蠢的問題把討論搞亂了。
2. The head's upside down. That is rather unusual, isn't it?
   頭像顛倒了。那的確是相當(dāng)特別的，不是嗎？
3. The house was turned upside down by the burglars.
   屋子里被夜賊弄得亂七八糟。
4. The painting is upside down.
   圖畫顛倒了。