not only... but...

not only (something), but (also) (something else)

Being, doing, or having one thing as well as something else. She not only speaks five languages, but she is an extraordinary pianist as well. The city is not only very cool and trendy, but also surprisingly affordable.
See also: but, not
Farlex Dictionary of Idioms.

not only... but (also)...

both... and...: He not only read the book, but also remembered what he had read.
See also: not
Farlex Partner Idioms Dictionary
See also:
  • able to do
  • able to do it
  • a mystery to (one)
  • appear to
  • a change of heart
  • (one) can whistle for it
  • a shoulder to cry on
  • a tough cookie
  • a tough customer/cookie
  • a turn of phrase