- showing or having an insensitive and cruel disregard for others麻木不仁的; 冷酷无情的：
his callous comments about the murder made me shiver.
他对这起谋杀案所作的冷酷评论令我不寒而栗。
派生词
callously
adverbcallousness
noun词源
late Middle English (in the Latin sense)： from Latin callosus 'hard-skinned'.