鈍る
JLPT N2 · Verbにぶる(niburu)声调 2
to become blunt; to grow dull; to become less capable; to weaken; to falter
頭の働きが鈍る。— The mind slows down.
にぶる(niburu)声调 2
to become blunt; to grow dull; to become less capable; to weaken; to falter
頭の働きが鈍る。— The mind slows down.