nothing to it

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nothing to it

1. (idiomatic) Easy; simple or straightforward.

   See? Nothing to it. You just put tab A in slot B and give it a flip.

   • 1960 July 11, Harper Lee, To Kill a Mockingbird, Philadelphia, Pa.; New York, N.Y.: J[oshua] B[allinger] Lippincott Company, →OCLC:

     Jem looked at me furiously, could not decline, ran down the sidewalk, treaded water at the gate, then dashed in and retrieved the tire.
     “See there?” Jem was scowling triumphantly. “Nothin‘ to it. I swear, Scout, sometimes you act so much like a girl it’s mortifyin’.”

• piece of cake