Definition
to avoid interfering with something that is currently satisfactory, as further intervention may worsen the situation.
不要多此一举
This old computer is slow, but it still works. I think it's best to leave well alone.
这台旧电脑虽然慢，但还能用。我觉得最好还是维持现状。
Their relationship isn't perfect, but at least there's no conflict. I think it's best to leave well alone.
他们的关系虽不完美，但至少没有冲突。我觉得最好还是维持现状。
The company is operating smoothly right now; we should leave well alone and not try to make any significant changes.
公司目前运作顺利；我们应该维持现状，不要试图做出重大改变。