To do something in time means that you did it before the deadline. This can be an actual deadline, as in a business or school situation. You could say "I turned in my report on time." This could also be a casual situation. You could say "I was in time for the party," or "I got to the store in time, but they closed right after I left."
It's not an idiom - it means just what it says. Something took "no" time to come about. It's an exaggeration, but the meaning is plain.
A long dreary time.
This isn't an idiom. It means just what it seems to mean. Something is only a matter of time - you only have to wait until it happens.
It is just an exaggerated way of saying something happens quite often - it is hyperbole, not an idiom.
it means when you are really nervous and cool at the same time.:)
It takes a long time to do an important job
This is not an idiom. It means just what it says. It is a saying that means time seems to go by more quickly when you are doing something enjoyable than it does when you are uncomfortable.
The idiom to kills/slaughter the fattened calf basically means that you will celebrate with a friend or relative that you have not seen in a very long time.
If you have your hands full, you can't do anything else with them, can you? This idiom means that you're overloaded and don't have time or ability to do anything else.
Fork in the road means a time when it is necessary to make a decision.
It is not an idiom, it means your nose is itching.
It's not really an idiom. It means "what are you thinking about."