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Shirimono
VOCABULARY
鈍る
ni
bu
ru
to become dull / to weaken
become dull, become blunt, weaken, lose sharpness, lose sensitivity, become slow
verb
Example sentences
うんどうおこたるとからだうごきがにぶ
If you neglect exercise, your body's movements will become dull.
つかれるとはんだんりょくにぶってしまう。
When you're tired, your judgment weakens.
なが使つかったほうちょうあじにぶ
A knife used for a long time loses its sharpness.
けつにぶないうちにこうどうした。
I acted before my resolve could weaken.

Practice exercises

1
ふる包丁ほうちょう使つかむとあじにぶ
An old kitchen knife's sharpness becomes dull if you use it a lot.
Answer
にぶにぶります
2
長引ながび不況ふきょう影響えいきょうで、近年きんねん世界経済せかいけいざい成長せいちょうにぶってきている
Due to the prolonged recession, the growth of the global economy has been slowing in recent years.
Answer
にぶってきているにぶってきています
3
つかれていると、どうしても判断力はんだんりょくにぶった
When you're tired, your judgment inevitably becomes dull.
Answer
にぶったにぶりました
4
運動うんどうしないとからだにぶ
If you don't exercise, your body becomes sluggish.
Answer
にぶにぶります
5
れてくると、注意深ちゅういぶかさが徐々じょじょにぶってきている
As you get used to it, your carefulness is gradually becoming dull.
Answer
にぶってきているにぶってきています