这个暴君般的统治者强迫农民在烈日下劳作。

The tyrannical ___overlord forced the peasants to work under the scorching sun.

这家科技巨头在智能手机市场上就像是一个霸主，几乎垄断了所有创新技术。

The tech giant acts like an ___overlord in the smartphone market, dominating nearly all innovative technologies.