Solving this math problem is child's play.
child's play
idiomSomething particularly easy or simple.
Origin
disputed originFrom child + -’s + play, originally referring literally to play by a child.
After years of professional experience, fixing the broken computer was child's play for her.
To the seasoned mountain climber, the steep ascent was mere child's play compared to the treacherous expeditions he had conquered in his youth.
- 01
go play in the traffic
To go elsewhere and feel free to engage in risky behavior; to get lost.
- 02
grandstand play
A successful play or other manoeuvre during a sporting competition in which one or more players shows off unnecessarily in order to entertain or impress the spectators.
- 03
hold-up play
A play where an attacker retains possession of the ball, while the teammates can move up the field.
- 04
play a part
To be involved in such a way to affect the outcome, to be a contributing factor.
- 05
play a role
To have an effect or influence on a situation or outcome; to contribute to something.
- 06
play all one's cards
To use all one's resources.
- 07
play along
To take part in a charade, deception, or practical joke.
- 08
play around
To engage in sexual practices outside of marriage.