mercy,宽大，怜悯，仁慈，-less,无，没有。引申词义无情的，残忍的。

1. Whistler, as always, was merciless.

和以往一样，惠斯勒还是那么冷酷无情。

来自柯林斯例句

2. The man is merciless.

这人厉害极了.

来自《现代汉英综合大词典》

3. The killer was merciless.

凶手残酷无情.

来自《现代英汉综合大词典》

4. It was typical of him to be so merciless.

只有他才会这么冷酷无情.

来自辞典例句

5. This judge is merciless towards anyone found guilty of murder.

这位法官对罪名成立的谋杀犯概不留情.

来自辞典例句