xiǎo​chéng​dà​jiè

to learn from a small mistake

  1. 小 xiǎo adjective
    small
    small; tiny; few; minor; in area, volume, quantity, or power, being less than average or less than the object of comparison; opposite of 大 dà
  2. to warn
    (bound form) to caution or discipline someone so as to prevent future wrongdoing
  3. 大 dà adjective
    big
    big; large; great; vast; high in scale or intensity; (of a person) old; adult
  4. to warn
    to warn; to admonish; to exhort; to warn against repeating a mistake