翻跟頭 [－－头]

Jyutping faan1 gan1 tau4
Pinyin fān gēn tou

Definitions (CC-CEDICT)
  1. to turn a somersault
Definitions (Wiktionary)
  1. verb, figuratively
    to suffer a failure or setback
  2. verb, figuratively
    to engage in speculation
  3. verb
    to somersault
Definitions (Kaifangcidian)
  1. （沒有對應漢語詞彙）