Definition of if it ain't broke, don't fix it in English:

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

phrase

informal
  • If something is reasonably successful or effective, there is no need to change or replace it.

    ‘Stick with the plan! If it ain't broke don't fix it’
    • ‘I am not a revolutionary, and generally espouse the "if it ain't broke, don't fix it" school.’
    • ‘A lot of the objectors to the bill said: "If it ain't broke, don't fix it."’
    • ‘Part of the answer probably lies in the principle " if it ain't broke, don't fix it ".’
    • ‘And absent some kind of explanation, people may remember an old saying: If it ain't broke, don't fix it.’
    • ‘Most small businesses, rightly, resist change: if it ain't broke, don't fix it.’
    • ‘The government should abide by the principle of " if it ain't broke, don't fix it ".’
    • ‘Some advice for future regulators and governments - if it ain't broke, don't fix it.’
    • ‘Maybe the best advice of all: If it ain't broke, don't fix it.’
    • ‘We have all heard the saying, "If it ain't broke, don't fix it."’
    • ‘We have lost sight of the old adage: if it ain't broke, don't fix it.’