the use of power or authority in a way that is more forceful than is needed, without thinking about the feelings or wishes of other people

He was a leader of some ignorance and high-handedness. 他是个相当无知和专横的领导。

An effective complaint requires the right mixture of high-handedness and lightness of tone. 有效的控诉需要适当地混合专横的态度和轻柔的语气。