'Retained' in the Bible

So the people took food in their hand, and their trumpets; and he sent all the men of Israel every man to his tent, but retained the three hundred men: and the camp of Midian was beneath him in the valley.

His father-in-law, the young lady's father, retained him; and he stayed with him three days: so they ate and drink, and lodged there.

So I was left alone, and saw this great vision, and there remained no strength in me; for my comeliness was turned in me into corruption, and I retained no strength.

Whoever's sins you forgive, they are forgiven them. Whoever's sins you retain, they have been retained."