Nail polish (toe nail polish is also the case) is made of synthetic resin dissolved in solvent, mixed with pigments to color and blend, and therefore it has cut off contact with the external role.

指甲油(脚趾甲油亦如此)就是由合成树脂溶解于溶剂中，为了着色而掺入颜料混合制成的，因而便有着隔断与外间接触的作用。

youdao

Or how much would you have to be paid to have one little toe cut off?

抑或，给你多少钱,你才愿意砍掉一根小脚趾？

耶鲁公开课 - 公正课程节选

She had the tip of her pinkie finger cut off and her thumb and her toe crushed.

BBC: Lynda Spence