فَقَدْ كَذَّبُوْا بِالْحَقِّ لَمَّا جَاۤءَهُمْۗ فَسَوْفَ يَأْتِيْهِمْ اَنْۢبـٰۤؤُا مَا كَانُوْا بِهٖ يَسْتَهْزِءُوْنَ ( الأنعام: ٥ )
Faqad kazzaboo bilhaqqi lammaa jaaa'ahum fasawfa yaateehim ambaaa'u maa kaanoo bihee yastahzi'oon (al-ʾAnʿām 6:5)
For they had denied the truth when it came to them, but there is going to reach them the news of what they used to ridicule. (Al-An'am  : 5)
1 Mufti Taqi Usmani
So they rejected the truth when it came to them.Now there shall come to them a full account of what they used to ridicule.