嚥氣 [咽气]

Jyutping jin3 hei3
Pinyin yàn qì

Definitions (CC-CEDICT)
  1. to die
  2. to breathe one's last
Definitions (Wiktionary)
  1. verb
    to swallow breath
  2. verb, colloquial
    to breathe one's last breath; to die