niburanakereba naranai
1. Must be sharpened.; Must not be dull.
★ Common
Adjective
#1369352
1. Must be sharpened.; Must not be dull.
1. I see; that's right
1. mere; simple
1. to become blunt; to grow dull
2. to become less capable; to weaken
1. National League
1. national chain
1. Becoming; After becoming
1. Became; Got
1. Become; Succeed