callous

冷酷无情的、无情的、麻木不仁的贬义

His callous remarks about the victims shocked everyone in the room.

他对受害者冷酷无情的言论让在场所有人震惊。

起茧的、长硬皮的医学

Years of farm work left his hands rough and callous.

多年的农务让他的双手粗糙又长满硬茧。

使冷酷、使麻木少用

Years on the front line had calloused him to suffering.

多年在前线的生活已使他对苦难变得麻木。