'Hard' in the Bible

Their arrows are sharpened, and all their bows are prepared. The hooves of their horses are hard as flint, and their chariot wheels are like a windstorm.

“You are not to say, ‘It is a conspiracy!’In regard to all that this people call a conspiracy,And you are not to fear what they fear nor be in dread of it.

And they shall pass through it, hard pressed and hungry; and it shall come to pass when they are hungry, they will fret themselves, and curse their king and their God, and will gaze upward:

And it shall come to pass in the day that the LORD shall give thee rest from thy sorrow, and from thy fear, and from the hard bondage wherein thou wast made to serve,

And I have delivered the Egyptians Into the hand of a hard lord, And a strong king doth rule over them, An affirmation of the Lord, Jehovah of Hosts.

A hard vision hath been declared to me, The treacherous dealer is dealing treacherously, And the destroyer is destroying. Go up, O Elam, besiege, O Media, All its sighing I have caused to cease.

In that day Jehovah with his hard and great and strong sword will punish leviathan the swift serpent, and leviathan the crooked serpent; and he will slay the monster that is in the sea.

“As often as it passes through, it will seize you;For morning after morning it will pass through, by day and by night,And it will be sheer terror to understand what it means.”

Assyria will fall by a sword, but not one human-made; a sword not made by humankind will destroy them. They will run away from this sword and their young men will be forced to do hard labor.

I have long been quiet, I have kept myself in and done nothing: now I will make sounds of pain like a woman in childbirth, breathing hard and quickly.

Because I saw that your heart was hard, and that your neck was an iron cord, and your brow brass;

And I will put it into the hand of your cruel masters, and of those whose yoke has been hard on you; who have said to your soul, Down on your face! so that we may go over you: and you have given your backs like the earth, even like the street, for them to go over.

"O afflicted [one], driven away, [who] is not consoled. Look! I [am] about to set your stones in hard mortar, and I will lay your foundation with sapphires.

‘Why have we fasted and You do not see?Why have we humbled ourselves and You do not notice?’Behold, on the day of your fast you find your desire,And drive hard all your workers.

The Lord swears an oath by his right hand, by his strong arm: "I will never again give your grain to your enemies as food, and foreigners will not drink your wine, which you worked hard to produce.

O Lord, why do you send us wandering from your ways, making our hearts hard, so that we have no fear of you? Come back, because of your servants, the tribes of your heritage.