atrociously  
adverb uk/əˈtrəʊ.ʃəs.li/ us/əˈtroʊ.ʃəs.li/
  (VERY BADLY)      
  恶劣地,糟糕地,差劲地
in a way that is very bad or unpleasant
  The children have been behaving absolutely atrociously. 孩子们的行为非常恶劣。 
 The pastry was atrociously soggy. 面团湿漉漉的,非常糟糕。 
 - More examples
 - He writes atrociously.
 - It's atrociously cold outside.
 - He was performing the atrociously difficult Second Piano Concerto.
 
  (CRUELLY)      
 残暴地;骇人听闻地
in a very cruel, violent, and shocking way
  Troops are accused of behaving atrociously. 军队被指控犯下了暴行。 
 - More examples
 - Activists say horses shipped across the border are treated "atrociously" before they are killed.
 - Reservist soldiers had behaved atrociously towards civilians.
 
See: atrocious