1. As easy as taking candy from a baby = extremely easy.

• Beating them was the easiest thing in the world.  It was as easy as taking candy from a baby.

2. I would give anything = to want something very much.

• I would give anything to see the pyramids of Egypt.

3. A foregone conclusion = a result that can be predicted with certainty.

• The result of the election seems to be a foregone conclusion.
• It’s almost a foregone conclusion that you will get what you want.

4. Chance one’s arm ( or luck) = to take a risk in order to get something you want.

• The ferryman decided not to chance his luck in the storm.
• He knew he wasn’t likely to win the contest, but decided to chance his arm anyway.