淪為

沦为
lúnwéi
  1. to sink down to
  2. to be reduced to (sth inferior)

CEDICT

to be reduced to (a colony, sock puppet, etc.)

Wiktionary

陷入（不好的境地）

維基詞典

Entry Composition

1 淪 lún
  1. to sink (into ruin, oblivion)
  2. to be reduced to
2 為 wéi
  1. as (in the capacity of)
  2. to take sth as
  3. to act as
  4. to serve as
  5. to behave as
  6. to become
  7. to be
  8. to do
  9. by (in the passive voice)

Related entries

淪 lún
  1. to sink (into ruin, oblivion)
  2. to be reduced to