小しょう人じん閑かん居きょして不ふ善ぜんをなす

expression, godan verb (-su)

idle hands are the devil's workshop; an idle brain is the devil's shop

Proverb warning that people with too much free time tend to get into mischief. Often used to caution against idleness.

• 「小しょう人じん閑かん居きょして不ふ善ぜんをなす」と言いうから、休やすみの日ひも何なにかしていたほうがいい。

  They say 'idle hands are the devil's workshop,' so it's better to do something even on days off.