be not for the faint-hearted

be not for the faint-hearted

To be unsuitable for those who are easily stressed or frightened. That horror movie is definitely not for the faint-hearted. I don't scare easily, and I screamed the whole time! Working in an operating room is not for the faint-hearted.
See also: not
Farlex Dictionary of Idioms.
See also:
  • easy come, easy go
  • lightly
  • like a (hot) knife through butter
  • like a hot knife through butter
  • like a knife through butter
  • fine print
  • the fine print
  • don't get your panties in a bunch
  • panties
  • (as) clear as crystal