洩氣 [泄气]

Jyutping sit3 hei3
Pinyin xiè qì

Definitions (CC-CEDICT)
  1. to leak (gas)
  2. to be discouraged
  3. to despair
  4. (disparaging) pathetic
  5. to vent one's anger
  6. (of a tire) to be flat
Definitions (Wiktionary)
  1. verb
    to lose heart
    (syn.) 泄劲, 敗興, 无望, 洩勁, 扫兴, 掃興, 喪氣, 無望, 氣餒, 死荡荡, 败兴, 失望, 死空, 气馁, 慼心, 绝望, 絕望, 丧气, 死蕩蕩, 死窟, 戚心, 嘔興, 呕兴, 灰心