此 ci3 此
起 qi3 起
彼 bi3 彼
伏 fu2 伏
  1. up here, down there (idiom); to rise and fall in succession
  2. no sooner one subsides, the next arises
  3. repeating continuously
  4. occurring again and again (of applause, fires, waves, protests, conflicts, uprisings etc)

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