唱紅打黑

唱红打黑
chànghóngdǎhēi
  1. (Mainland China, politics) to uphold communism (literally, “sing red songs”) and defeat the gangs (a campaign of Bo Xilai 1949–)
  2. to uphold communism (literally, “sing red songs”) and defeat the gangs (a campaign of Bo Xilai 1949–)

Wiktionary

Entry Composition

1 唱 chàng
  1. to sing
  2. to call loudly
  3. to chant
=2 紅 Hóng surname Hong
=2 紅 gōng used in 女紅 nu:gōng
=2 紅 hóng
  1. red
  2. popular
  3. revolutionary
  4. bonus
=2 紅 jiàng
  1. (obsolete on its own in Standard Chinese) Substitute character for 絳／绛 (jiàng).
  2. Substitute character for 絳／绛 (jiàng).
3 打黑 dǎhēi to crack down on illegal activities; to fight organized crime