McTeague exhibited his hard , calloused palms.是什么意思？

McTeague exhibited his hard , calloused palms.

麦克梯格摊开那双生满老茧坚硬的手掌.

exhibited

v. 陈列，展览( exhibit的过去式和过去分词 )，表现，显示，[法律]当庭出示（证件、物证等）；

例句
He has exhibited symptoms of anxiety and overwhelming worry...
他表现出焦躁不安和过度忧虑的症状。

his

pron. (he的所有格)他的，(he的物主代词)他的东西；det. 属于他的，用于名词前，自己的，指某人的，上帝的；

例句
He claimed that his parents had abandoned him...
他声称父母遗弃了他。

hard

adj. 困难的，硬的，有力的，努力的；adv. 努力地，猛力地，严重地，沉重地；n. 英〉硬海滩，登陆处；

例句
The team fought hard and gave a good account of themselves.
这支队伍奋力拼搏，表现出色。

calloused

adj. 粗糙的，粗硬的，起老茧的；v. （使）硬结，（使）起茧( callous的过去式和过去分词 )，（使）冷酷无情；

例句
...blunt, calloused fingers.
长满茧子的粗手指

palms

n. 胜利( palm的名词复数 )，（象征胜利的）棕榈叶，（四足动物的）前足

例句
They held his fate in the palms of their ancient hands.
他们这些老人将他的命运掌握在手心里。