What does this mean: And if all else fails?

English Language Proficiency Tests, Advanced Level

ESL/EFL Test #74 [color=blue]“At the End of the Day (3)”, question 10

And if all else go upstairs and come down again in your pyjamas.

(a) falls
(b) fell
© fails
(d) feels

English Language Proficiency Tests, Advanced Level

ESL/EFL Test #74 [color=blue]“At the End of the Day (3)”, answer 10

And if all else fails go upstairs and come down again in your pyjamas.

Correct answer: © fails

Your answer was: [color=green]correct
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“All else” means everything else, doesn’t it?

Snoopy_Blah_Blah

Yes, it does. The expression ‘if all else fails’ is used to mean ‘if all other attempts are unsuccessful’.

Oh, and welcome aboard, Snoopy!

Thank you:)

Sorry Conchita, I understood your explanation about ‘‘IF ALL ELSE FAILS’’, but all sentence is Greek to me. Could you explain the meaning entirely? My best regards.