upside down

形容词 upside down:

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

副词 upside down:

1. in an inverted manner

1. She turned the discussion upside down by asking a foolish question.
   她问了一个愚蠢的问题把讨论搞乱了。
2. The head's upside down. That is rather unusual, isn't it?
   头像颠倒了。那的确是相当特别的，不是吗？
3. The house was turned upside down by the burglars.
   屋子里被夜贼弄得乱七八糟。
4. The painting is upside down.
   图画颠倒了。