ٱلنَّجْم : ٦١

  • وَأَنتُمۡ While you
  • سَٰمِدُونَ amuse (yourselves)
While you are proudly sporting?1
Footnotes
1 - Additional meanings are "singing [with expanded chest]," "heedless," or "lost in vain amusements."
while you remain oblivious?, unmindful and heedless of what is required of you.