ADJ-GRADED
无情的;残忍的;冷酷的
If you say that someone is ruthless, you mean that you disapprove of them because they are very harsh or cruel, and will do anything that is necessary to achieve what they want.
例句
The President was ruthless in dealing with any hint of internal political dissent.
在处理任何内部政治分歧的苗头时，总统都毫不留情。
...an invasion by a ruthless totalitarian power...
残忍的极权主义国家的侵略