'Sharpened' in the Bible

Your arrows are sharpened to penetrate the hearts of the king's enemies. People will fall under you.

Like a sharpened razor,your tongue devises destruction,working treachery.

Who sharpened as a sword their tongue, They directed their arrow -- a bitter word.

[The] sharpened arrows of a warrior, with burning charcoals from broom trees.

They have sharpened their tongues like a serpent; adders' poison is under their lips. Selah.