callouses

n.

硬皮，老茧( callous的名词复数 )；

v.

（使）硬结，（使）起茧( callous的第三人称单数 )；（使）冷酷无情；

1. Callous virus writers are using the London bomb attacks to spread a malicious program on computers across the country.
   那些冷酷无情的电脑病毒编写者们现在开始在全英范围内传播一种新的病毒程序，这次他们选用的题材便是刚刚发生的伦敦连环爆炸案。
2. Jane's kindly and gentle nature could not but revolt at her sister's callous behavior.
   简的友善与温柔怎么也打动不了她姐姐的那颗无情的心。

Corns, callouses and crow
Contemplating Callouses
[Formation of callouses in intra-axial osteosynthesis]
Device for treating corns and callouses
METHOD OF CONTROLLING CORNS AND CALLOUSES
METHOD OF CONTROLLING CORNS AND CALLOUSES
Dry cracked heels? Callouses out of control? Visit Oasis...
Painful plantar callouses and mental retardation. Tyrosinemia type II.
Device for the removal of callouses, especially during chiropody
TITLE: "They just scraped off the callouses": A mixed methods exploration of foot care access and provision for people with rheumato...