'Hard' in the Bible

And the men of Ashdod see that it is so, and have said, 'The ark of the God of Israel doth not abide with us, for hard hath been His hand upon us, and upon Dagon our god.'

And the name of the man is Nabal, and the name of his wife Abigail, and the woman is of good understanding, and of fair form, and the man is hard and evil in doings; and he is a Calebite.

And the battle is hard against Saul, and the archers find him -- men with bow -- and he is pained greatly by the archers;