縱虎歸山 [纵－归－]

Jyutping zung3 fu2 gwai1 saan1
Pinyin zòng hǔ guī shān

Definitions (CC-CEDICT)
  1. lit. to let the tiger return to the mountain; fig. to store up future calamities
Definitions (Wiktionary)
  1. verb, figuratively
    to let the genie out of the bottle; to store up for future calamities
Definitions (Kaifangcidian)
  1. （沒有對應漢語詞彙）