spitefulness       
noun [ U ]  disapproving uk/ˈspaɪt.fəl.nəs/ us/ˈspaɪt.fəl.nəs/
 恶意;居心不良
the quality of wanting to annoy, upset, or hurt another person, because you feel angry towards them
  There is an incredible level of small-minded immaturity and spitefulness among some people. 有些人令人难以置信地心胸狭窄、不成熟,充满恶意。 
 See: spiteful
 - More examples
 - A chimp study suggests spitefulness is a uniquely human trait.
 - The love and respect my mother held for my father turned now to hatred and spitefulness.
 - Dad left us when I was seven because he couldn't take any more of her shouting and spitefulness.
 - In Agamemnon, we see a case of revenge that is primarily driven by anger and spitefulness.
 - This is a political spitefulness of incredible proportions.