like a duck takes to water

• as a duck takes to water
• like a duck to water

• Audio (General Australian):

  (file)

like a duck takes to water

1. (simile, idiomatic) Very naturally; without effort.

   Synonyms: like a knife through butter, easily, effortlessly

   Antonym: like a fish out of water (adverbial sense)

   Near-synonyms: smoothly, gracefully

   She started skating and learned quickly, like a duck takes to water.

Often in phrases like take to something like a duck to water, take to something like a duck takes to water, take to something as a duck takes to water.