English-French translations for who knows

qui saitPar contre, qui sait quoi que ce soit sur la BEI? Who knows anything about the EIB? Mais qui sait quelle bataille attend l'Europe? But who knows what battle awaits Europe? Après l'Irak viendront la Syrie, l'Iran, la Corée, qui sait ? Next will be Syria, Iran, Korea, who knows?
qui sait ?Après l'Irak viendront la Syrie, l'Iran, la Corée, qui sait ? Next will be Syria, Iran, Korea, who knows?

It could be one or the other, or both. Who knows?
Do you think Ill get married before I turn 30? – Who knows, you might never marry.
Who knows? Maybe someday hell finish writing his book and make lots of money selling it.
Since she hasnt studied at all I dont think shell pass the test, but who knows?
Dont touch that – who knows where its been?

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