'Trained' in the Bible

Then he said to them, "Therefore every expert in the law who has been trained for the kingdom of heaven is like the owner of a house who brings out of his treasure what is new and old."

A disciple is not greater than his teacher, but everyone when fully trained will be like his teacher.

So Moses was trained in all the wisdom of the Egyptians and was powerful in his words and deeds.

But solid food is for the mature, whose perceptions are trained by practice to discern both good and evil.

Now all discipline seems painful at the time, not joyful. But later it produces the fruit of peace and righteousness for those trained by it.

Their eyes, full of adultery, never stop sinning; they entice unstable people. They have trained their hearts for greed, these cursed children!