刀不磨要生锈，人不学要落后 (刀不磨要生銹，人不學要落後) dāo bù mó yào shēngxiù, rén bù xué yào luòhòu

dāo bù mó yào shēngxiù, rén bù xué yào luòhòu phrase a blade will get rusty if it is not sharpened; a man will fall behind if he doesn't study
Domain: Proverb 谚语 , Subdomain: , Concept:
Notes: (CC-CEDICT '刀不磨要生銹，人不學要落後')