yī​shī​zú​chéng​qiān​gǔ​hèn

a single slip brings eternal regret

  1. adverb
    [as soon as]
    Used to show that as soon as one action or situation happens, another follows immediately.
  2. to take a wrong step in life
    To go astray or lose one's integrity; to fall into a life of crime, vice, or immorality.
  3. chéng verbparticle
    to become
    to become; to turn into; to change into
  4. eternal
    Throughout the ages; for all eternity; existing since a long time ago.
  5. to regret
    to regret; to feel remorse; to be exasperated by one's own mistakes or a situation