倒抽一口氣 [－－－－气]

Jyutping dou2 cau1 jat1 hau2 hei3
Pinyin dào chōu yī kǒu qì

Definitions (CC-CEDICT)
  1. to gasp (in surprise, dismay, fright etc)
Definitions (Wiktionary)
  1. phrase, idiomatic
    to gasp