tyrannical
adjective uk/tɪˈræn.ɪ.kəl/ us/tɪˈræn.ɪ.kəl/
残暴的;专制的
using, showing, or relating to the unfair and cruel use of power over other people in a country, group, etc.
a tyrannical leader/regime/political system 专制的领导／政权／政体
In the end she left home just to escape the tyrannical rule of her mother. 最后她离家出走，为的只是逃脱母亲专横的管制。