upside-down

形容词 upside-down:

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

副词 upside-down:

1. in an inverted manner
   同义词：upside down

1. Burglars had turned the house upside-down.
   窃贼 把房子翻得乱七八糟。
2. The classroom was turned upside-down.
   教室被弄得乱七八糟。
3. That picture is upside-down.
   那幅画上下颠倒了。