刀不磨要生锈，人不学要落后

dāo bù mó yào shēng xiù , rén bù xué yào luò hòu

释义

1. a blade will get rusty if it is not sharpened; a man will fall behind if he doesn't study (idiom)

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刀不磨要生锈，人不学要落后的构成词

no; not so

person; people

knife

empress

to learn

to be born

to rust

to rub

grindstone

to leave out

colloquial reading for 落[luò] in certain compounds

to fall or drop

to fall behind

(bound form) to demand; to coerce

to want; to need; to ask for

to corrode