陵谷

línggǔ
  1. (literary, figuratively) great change
  2. (literary, figuratively) the ruler and the subject switching places
  3. great change
  4. hills and valleys
  5. mausoleum
  6. the ruler and the subject switching places

Wiktionary

Entry Composition

1 陵 líng
  1. mound
  2. tomb
  3. hill
  4. mountain
=2 谷 gǔ
  1. grain
  2. corn
=2 谷 Gǔ surname Gu
=2 谷 gǔ valley