child's play

But what she has endured since giving her all in the floor exercise at the Paris Olympics makes the most difficult routine seem like child’s play.

It’ll be child’s play, she says.

It would be child's play to show that in, let's say, Washington, DC, if you take 50 people who are doing really well, they share some characteristic, and then to infer that that characteristic is the reason for their success.

A tunnel that can take billions of years to dig, and makes The Shawshank Redemption look like child's play.

A favorite cosplay: At last year’s ECCC, Perry dressed up as one of her favorite characters, Chucky from the horror franchise “Child’s Play.”