without (even) blinking an eye

without (even) blinking an eye

Without having or displaying any sort of emotional response, especially to that which would normally elicit such a reaction. When we were traveling, Janet used to eat things like crickets and jellyfish without blinking an eye. Be careful—guys like that will kill you without even blinking an eye.
See also: blink, eye, without
Farlex Dictionary of Idioms.

without blinking an eye

Without showing any reaction.
See also: blink, eye, without
American Heritage® Dictionary of the English Language, Fifth Edition.
See also:
  • without (even) batting an eye
  • without (even) batting an eyelash
  • without batting an eye
  • without blinking an eye
  • heartstring
  • play on heartstrings
  • play on the/(one's) heartstrings
  • strike a chord
  • strike a chord (with someone)
  • strike/touch a chord