To take candy from a baby
Getting grandmother to loan me the money was as easy as taking candy from a baby.
Joy told us that robbing this bank would be as easy as taking candy from a baby. But somebody told the police and they were waiting for us. We had no choice but to throw down our guns and surrender."
A piece of cake
Honey, I finally asked Old Man Jones for my raise. And it was a piece of cake!
At the briefing before we took off to bomb the Germans, our commander told us it would probably be a tough flight. But it turned out to be a piece of cake: no anti-aircraft fire and no enemy fighters."