刀不磨要生锈，人不学要落后
Definitions
- 1. a blade will get rusty if it is not sharpened; a man will fall behind if he doesn't study (idiom)
Stop forgetting what you study.
Build recall daily.
Try HanyuGuide's Chinese review system with multiple choice, typed recall, tone-aware practice, and reviews scheduled before memory fades.
Child Words of 刀不磨要生锈，人不学要落后
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