dào dé lún sàng
moral bankruptcy
moral degeneracy
道
dào
road; path (CL:條|条[tiao2],股[gu3])
德
dé
variant of 德[de2]
沦
lún
to sink (into ruin, oblivion)
丧
sàng
to lose sth abstract but important (courage, authority, one's life etc)