guru
noun [ C ] uk/ˈɡʊr.uː/ us/ˈɡʊr.uː/
古鲁（印度教或锡克教的宗教导师或领袖）
a religious leader or teacher in the Hindu or Sikh religion
informal（精通某一领域并给出专业建议的）专家，权威，大师
a person skilled in something who gives advice
a management guru 管理界泰斗
a lifestyle guru 生活专家