lose (one's) nerve

lose (one's) nerve

To no longer have the courage to do something. I did want to ride the roller coaster earlier, but I'm starting to lose my nerve now that we're actually here.
See also: lose, nerve
Farlex Dictionary of Idioms.

lose one's nerve

Become frightened or timid, lose courage. For example, I wanted to ski down the expert slope but then I lost my nerve. This expression employs nerve in the sense of "courage or boldness." [Early 1900s]
See also: lose, nerve
The American Heritage® Dictionary of Idioms by Christine Ammer.
See also:
  • lose one's nerve
  • be dying for something/to do something
  • be dying to (do something)
  • roller coaster ride
  • a roller-coaster ride
  • bottle it
  • bottle out
  • want off of (something)
  • dying to (do something)
  • dying to do