If you say that someone is high-handed, you disapprove of them because they use their authority in an unnecessarily forceful way without considering other people's feelings.
例句
He wants to be seen as less bossy and high-handed.他不想让自己显得太专横霸道。...his allegedly high-handed organisation of government business in parliament.据传他在议会中处理政府事务时专横跋扈的作风