二進宮

二进宫
èrjìngōng
  1. name of a famous opera
  2. (slang) to go to jail for a second offense

CEDICT

slang

Entry Composition

1 二進 èrjìn binary (math.)
2 宮 gōng
  1. palace
  2. temple
  3. castration (as corporal punishment)
  4. first note in pentatonic scale