Senses
事不关己，高高挂起/ 事不關己，高高掛起 to feel unconcerned
to be indifferent to matters that do not affect oneself; to feel unconcerned and let things slide or let matters rest
事不关己，高高挂起/ 事不關己，高高掛起 aloofness
if a matter does not concern oneself, keep it at a distance and stay out of it; to be indifferent to matters that do not affect one personally