ADJ-GRADED 残忍的;冷酷无情的 If you describe someone as merciless, you mean that they are very cruel or determined and do not show any concern for the effect their actions have on other people. 残忍的;冷酷无情的
Whistler, as always, was merciless.
和以往一样,惠斯勒还是那么冷酷无情。
...the merciless efficiency of a modern police state.