They took drug and lived a parasiticlife which they refused to take any social responsibility, or they went to an unspoiled country to live a rather primitive communal life.
他们吸毒，过着不承担任何社会责任的寄生生活，或者跑到未开垦的乡村去，过着原始公社式的生活。
2
It's a lancet fluke: it's a little brain worm — a parasitic brain worm — that has to get into the stomach of a sheep or a cow in order to continue its life cycle.
Drochs were parasitic insects that burrowed under beings' skin and drank their life energies and intelligence. Their feeding was the source of Death Seed plague.