day in, day out

毎日毎日、来る日も来る日も、明けても暮れても

Ex

  • He goes to the office day in, day out.
  • The woman was sick of doing the same thing day in, day out.

Reference source

  • https://ejje.weblio.jp/content/day+in+and+day+out
  • https://eow.alc.co.jp/search?q=%22day+in%2C+day+out%22