'Work' in the Bible

He could do no mighty work there, except that he laid his hands on a few sick people, and healed them.

King Herod heard this, for his name had become known, and he said, "John the Baptizer has risen from the dead, and therefore these powers are at work in him."

But Jesus said, "Don't forbid him, for there is no one who will do a mighty work in my name, and be able quickly to speak evil of me.

"It is like a man, traveling to another country, having left his house, and given authority to his servants, and to each one his work, and also commanded the doorkeeper to keep watch.

But Jesus said, "Leave her alone. Why do you trouble her? She has done a good work for me.