created sense approved 砺/礪 · lì · grind
砺 / 礪
lì
grind
to grind, sharpen, or polish, often used figuratively for self-improvement
他在艰苦的环境中磨砺自己的意志。
created sense approved 砺/礪 · lì · sandstone
砺 / 礪
lì
sandstone
a type of coarse stone used for grinding or as a whetstone
工匠正在用砺石打磨粗糙的表面。