得而復失 [－－复－]

Jyutping dak1 ji4 fuk6 sat1
Pinyin dé ér fù shī

Definitions (CC-CEDICT)
  1. to lose what one has just obtained (idiom)
Definitions (Wiktionary)
  1. phrase, idiomatic
    to lose something after one had gained possession of it
Definitions (Kaifangcidian)
  1. （沒有對應漢語詞彙）