lost nerve
- chickened outRetreated from fear
- cold feetPre-event loss of confidence
- backed downRetreated from a position
- hesitatedPaused from uncertainty
- waveredShowed unsteady resolve
faltered · froze · panicked · choked · flinched · bailed · retreated · coward · spineless · gutless · yellow · timid · shaky · sweating · trembling · brink · edge · moment
commitment to action
lost nervefollowed through
Completed what was started
took the plunge · pressed on · bit the bullet · pulled the trigger · pushed forward