leave well enough alone
US /liːv wɛl ɪˈnʌf əˈloʊn/
UK /liːv wɛl ɪˈnʌf əˈloʊn/
1.
别多管闲事, 保持现状
to allow a situation to remain as it is, because trying to improve it might make things worse
:
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The old system works fine, so let's leave well enough alone.
旧系统运行良好，所以我们还是别多管闲事了。
•
I wanted to offer advice, but decided to leave well enough alone.
我本想提供建议，但决定还是别多管闲事了。