Something that is easy to do or to achieve.
chip up
To cause something to have chips, cracks or dents.
chip on one's shoulder
A habitually combative attitude, usually because of a harbored grievan…
chip in
To make a contribution; help in a small way; especially, to pay for a …
child's play
Something particularly easy or simple.
cake walk
Something extremely easy.
duck soup
Something which is easy; a piece of cake.