mess something up        
phrasal verb with mess verb uk/mes/ us/mes/
 把…弄乱;把…弄脏
to make something dirty or untidy
  Who's messed up the bookshelf? 谁把书架弄乱了? 
 - More examples
 - The wind had messed up my hair.
 - They had come along and messed up her arrangement.
 - I've only just tidied this room and you've messed it up already.
 - Who has messed up my sewing box?