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