Per favore dimmi come si pronuncia ​‎vincit qui se vincit (⬅︎Latin?) .

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You pronounce it like this:

uinkiit ki sē uinkiit

If I was to try to write it using Japanese sounds, it would be something like:

ウィンキート　キ　セ　ウィンキート

Bear in mind that whenever you see a V in Latin, it's actually a U. The distinction between V and U in the Roman alphabet was made so that Romans could write Germanic words. Latin has no natural V sound, like Japanese.
Also, the only way to speak Latin out loud now is with what is called an "academic dialect", based on how scholars think it might have sounded - but the Roman Empire has been gone for so long that nobody knows how Latin really sounded when spoken by actual Romans.