if it ain't broke, don't fix it

短语

东西没坏就别修它

别名

if it ain't broken, don't fix it

释义与例句

prov.
  1. 1.

    It is wise to leave something alone and to avoid attempting to correct, fix, or improve what is already sufficient (often with an implication that is the attempted improvement is risky and might backfire).

    东西没坏就别修它

    I know it’s an ugly-looking antenna, but it gets the job done, and if it ain't broke, don't fix it.

词源

Attested since c. 1962, originally Southern United States English; popularized by T. Bert Lance in May 1977.

来源：wiktionary