こつこつ働はたらく

expression, godan verb (-ku)

work hard; toil; keep at it steadily

Describes diligent, steady, persistent effort over time. The mimetic adverb こつこつ adds a nuance of quiet, consistent, step-by-step work.

• 彼かれは毎まい日にちこつこつ働はたらいて、やっと家いえを買かった。

  He worked hard every day and finally bought a house.

• こつこつ働はたらくのが成せい功こうの秘ひ訣けつだ。

  Working steadily is the secret to success.