'Blunted' in the Bible

In those days they do not say any more: Fathers have eaten unripe fruit, And the sons' teeth are blunted.

But -- each for his own iniquity doth die, Every man who is eating the unripe fruit, Blunted are his teeth.

What -- to you, ye -- using this simile Concerning the ground of Israel, saying: Fathers do eat unripe fruit, And the sons' teeth are blunted?