n.暴君；专制的君主；专横的人
This ruler is a pitiless tyrant. 这个统治者是一个冷酷的暴君。
Mr Smith was a high-handed tyrant in his office. 史密斯先生在他办公室里是个专横跋扈的独裁者。
Her grandfather is a tyrant who insists on absolute silence at the dinner table. 她祖父是个专横的人，坚持吃饭时绝对禁止讲话。
