turn of phrase

noun2

1. •
   An expression which is worded in a distinctive way, especially one which is particularly memorable or artful.

   • "I should call it a most nice sort of surprise," remarked the girl with a quaintly un-English turn of phrase which he had already noticed and thought the most delightful thing in the world. — 1922
2. •
   A distinctive way of wording things, a distinctive way of writing or speaking.

   • This author has a beautiful turn of phrase.