But (now that the Quran has come) they disbelieve therein (i.e. in

﴿فَكَفَرُواْ بِهِۦۖ فَسَوۡفَ يَعۡلَمُونَ ﴾
[الصَّافَات: 170]

But (now that the Quran has come) they disbelieve therein (i.e. in the Quran and in Prophet Muhammad SAW, and all that which he brought, the Divine Revelation), so they will come to know

﴿فكفروا به فسوف يعلمون﴾ [الصَّافَات: 170]

Al Bilal Muhammad Et Al
So they reject it, but soon will they know

Ali Bakhtiari Nejad
And they disbelieved in it (Quran), so they will know

Ali Quli Qarai
But they disbelieved it [when it came to them]. Soon they will know

Ali Unal
Yet (now the Qur’an has come to them) they disbelieve in it; so they will come to know

Hamid S Aziz
But (now that it is come) they disbelieve in it; but they will come to know

John Medows Rodwell
Yet they believe not the Koran. But they shall know its truth at last

Literal
So they disbelieved with (in) Him, so they will know

Mir Anees Original
But (now) they do not believe in this (Quran), so they will know

Mir Aneesuddin
But (now) they do not believe in this (Quran), so they will know