And you -people- who refuse to acknowledge it shall come to know

﴿وَلَتَعۡلَمُنَّ نَبَأَهُۥ بَعۡدَ حِينِۭ ﴾
[صٓ: 88]

And you -people- who refuse to acknowledge it shall come to know in due course the truth of its precepts, its premises and promises and of its revelations the cosmic and the spiritual alike

﴿ولتعلمن نبأه بعد حين﴾ [صٓ: 88]

Dr Kamal Omar
And you shall certainly know (the) news about it after a while, (on the Day of Judgment)

Dr Laleh Bakhtiar
and you will, certainly, know its tidings after a while

Dr Munir Munshey
After a while, you will certainly come to know about it yourself

Edward Henry Palmer
and ye shall surely know its story after a time

Farook Malik
and before long, you will certainly know its truth

George Sale
And ye shall surely know what is delivered therein to be true, after a season

Maududi
You will know the truth of the matter after a while