'Once' in the Bible

Her spirit returned, and she got up at once. Then He gave orders that she be given something to eat.

You must be like people waiting for their master to return from the wedding banquet so that when he comes and knocks, they can open the door for him at once.

once the homeowner gets up and shuts the door. Then you will stand outside and knock on the door, saying, ‘Lord, open up for us!’ He will answer you, ‘I don’t know you or where you’re from.’

“Which one of you having a slave tending sheep or plowing will say to him when he comes in from the field, ‘Come at once and sit down to eat’?