手起刀落 [－－－－]

Jyutping sau2 hei2 dou1 lok6
Pinyin shǒu qǐ dāo luò

Definitions (粵典–words.hk)
  1. x
Definitions (Wiktionary)
  1. phrase, archaic, idiomatic
    to cut down with one swift stroke of one's sword