'Hard' in the Bible

But if anyone has been a cause of sorrow, he has been so, not to me only, but in some measure to all of you (I say this that I may not be over-hard on you).

But their minds were made hard: for to this very day at the reading of the old agreement the same veil is still unlifted; though it is taken away in Christ.

Troubles are round us on every side, but we are not shut in; things are hard for us, but we see a way out of them;

In blows, in prisons, in attacks, in hard work, in watchings, in going without food;

Are they servants of Christ? (I am talking foolishly) I am more so; I have had more experience of hard work, of prisons, of blows more than measure, of death.

In hard work and weariness, in frequent watchings, going without food and drink, cold and in need of clothing.