手    胼    足    胝    胼、胝：手掌、足底的老茧。手掌足底生满老茧。形容经常地辛勤劳动。

胼、胝：手掌、足底的老茧。手掌足底生满老茧。形容经常地辛勤劳动。

Callosities found both on one's hands and feet -- have been working hard

手高手低    手舞足蹈    手下留情    手不停毫    手无寸铁