飛砂走石 [飞－－－]

Jyutping fei1 saa1 zau2 sek6
Pinyin fēi shā zǒu shí

Definitions (CC-CANTO)
  1. literallty: 'flying sand and rolling pebbles', describes a violent and raging wind; disorderly and chaotic
Definitions (Wiktionary)
  1. phrase, idiomatic
    dust and sand flying every which way (because of the wind)