信手 [－－]

Jyutping seon3 sau2
Pinyin xìn shǒu

Definitions (CC-CEDICT)
  1. casually
  2. in passing
Definitions (Wiktionary)
  1. verb
    to do something spontaneously or without much thought or effort
Definitions (Kaifangcidian)
  1. （沒有對應漢語詞彙）