leave well alone
US /liːv wɛl əˈloʊn/
UK /liːv wɛl əˈloʊn/
1.
不要动它, 保持原样
to not try to change something that is already satisfactory or working well, because doing so might make it worse
:
•
The system is working fine, so it's best to leave well alone.
系统运行良好，所以最好不要动它。
•
I was going to redecorate, but my husband told me to leave well alone.
我本来想重新装修，但我丈夫告诉我不要动它。