bullying       
noun [ U ] uk/ˈbʊl.i.ɪŋ/ us/ˈbʊl.i.ɪŋ/
 伤害;胁迫;欺负,欺凌
the behaviour of a person who hurts or frightens someone smaller or less powerful, often forcing that person to do something they do not want to do
  Bullying is a problem in many schools. 霸凌在许多学校都是一个问题。 
 Online bullying is a serious concern. 网络霸凌是一个严重的问题。 
 See: bully
 - More examples
 - racist/homophobic bullying
 - More should be done to prevent incidents such as name-calling and bullying.
 - Children of different ages see bullying or teasing differently.
 - The office had a culture of sexism and bullying.