Word by Word Analysis

وَيَجْعَلُونَ لِمَا لَا يَعْلَمُونَ نَصِيبًا مِّمَّا رَزَقْنَـٰهُمْ ۗ تَٱللَّهِ لَتُسْـَٔلُنَّ عَمَّا كُنتُمْ تَفْتَرُونَ 56

And they assign to what they do not know [i.e., false deities] a portion of that which We have provided them. By Allāh, you will surely be questioned about what you used to invent.