Meaning of the verse "They will not enter jannah until the camel enters through the eye of the needle"

If you are referring to the aayat which says "They will not enter jannah until the camel enters through the eye of the needle", then the mufassireen explain that this is ta'leeq bil mahaal (suspending their entry upon something impossible).

The purpose is to show that just as it is impossible for the camel to enter the eye of the needle, similarly, their entry into jannah is also impossible.

And Allah Ta'ala (الله تعالى) knows best.