毎(まい)日(にち) mainichi、決(き)ま()り()き()っ()た() kimarikittaこと kotoを oしている shiteiru。 I'm doing the same old things every day. Literal Every-day, set-in-stone things [object-を] am-doing. 決まりきった ('completely routine, set in stone') is 決まる ('be decided') + きる ('completely') — the compound verb emphasizes total predictability. ~ている marks the ongoing habitual state. daily routinecompound verb~ている (ongoing state)
毎(まい)日(にち) mainichi、決(き)ま()り()き()っ()た() kimarikittaこと kotoを oしている shiteiru。 I'm doing the same old things every day. Literal Every-day, set-in-stone things [object-を] am-doing. 決まりきった ('completely routine, set in stone') is 決まる ('be decided') + きる ('completely') — the compound verb emphasizes total predictability. ~ている marks the ongoing habitual state. daily routinecompound verb~ている (ongoing state)