Can't you leave well enough alone = don't mention the thing again?

English Language Tests, Intermediate level

ESL/EFL Test #386 [color=blue]“English Slang Idioms (117)”, question 5

“You are going to have to leave. She already asked you twice not to bring up her not getting accepted into the college she wanted to go to. Can’t you leave well enough ?” her dad asked Jimmy.

(a) voluntary
(b) together
(c) alone
(d) gifts

English Language Tests, Intermediate level

ESL/EFL Test #386 [color=blue]“English Slang Idioms (117)”, answer 5

“You are going to have to leave. She already asked you twice not to bring up her not getting accepted into the college she wanted to go to. Can’t you leave well enough alone?” her dad asked Jimmy.

Correct answer: (c) alone
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Can’t you leave well enough alone - is it the same as - don’t mention the thing again?

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Not exactly. ‘Leave well enough alone’ = ‘don’t disturb the status quo’. Yours is one example of its use.
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