'Difficulty' in the Bible

Jesus said to his disciples, "Most certainly I say to you, a rich man will enter into the Kingdom of Heaven with difficulty.

When we had sailed slowly many days, and had come with difficulty opposite Cnidus, the wind not allowing us further, we sailed under the lee of Crete, opposite Salmone.

With difficulty sailing along it we came to a certain place called Fair Havens, near the city of Lasea.

Running under the lee of a small island called Clauda, we were able, with difficulty, to secure the boat.