天经地义

天經地義
tiānjīngdìyì
  1. lit. heaven's law and earth's principle (idiom); fig. right and proper
  2. right and unalterable
  3. a matter of course

CEDICT

Entry Composition

1 天 tiān
  1. day
  2. sky
  3. heaven
2 经 jīng
  1. classics
  2. sacred book
  3. scripture
  4. to pass through
  5. to undergo
  6. to bear
  7. to endure
  8. warp (textile)
  9. longitude
  10. menstruation
  11. channel (TCM)
  12. abbr. for economics 经济 jīngjì
3 地 dì
  1. earth
  2. ground
  3. field
  4. place
  5. land

classifier: 片
4 义 yì
  1. justice
  2. righteousness
  3. meaning
  4. foster (father etc)
  5. adopted
  6. artificial (tooth, limb etc)
  7. relationship
  8. friendship