成姦

成奸
chéngjiān

to commit adultery

Wiktionary

Entry Composition

=1 成 Chéng
  1. surname Cheng
  2. short name for Chengdu 成都 Chéngdū
=1 成 chéng
  1. to succeed
  2. to finish
  3. to complete
  4. to accomplish
  5. to become
  6. to turn into
  7. to be all right
  8. OK!
  9. one tenth
2 姦 jiān
  1. to fornicate
  2. to defile
  3. adultery
  4. rape