That Day, Allāh will pay them in full their true [i.e., deserved] recompense, and they will know that it is Allāh who is the manifest Truth [i.e., perfect in justice].
يُوَفِّيهِمُAllah will pay them in fullyuwaffīhimu
ٱللَّهُAllah will pay them in fulll-lahu
دِينَهُمُtheir recompensedīnahumu
ٱلۡحَقَّthe duel-ḥaqa
وَيَعۡلَمُونَand they will knowwayaʿlamūna
أَنَّthatanna
ٱللَّهَAllahl-laha
هُوَHehuwa
ٱلۡحَقُّ(is) the Truthl-ḥaqu
ٱلۡمُبِينُthe Manifestl-mubīnu
Tafsir
On that day, Allah will give them their full reward with justice and they will know Allah is the Truth. Every piece of information, promise or warning that comes from Him is clearly true without any doubt in it.