run its course
US /rʌn ɪts kɔrs/
UK /rʌn ɪts kɔrs/

1.
berakhir secara alami, menyelesaikan siklusnya
to come to a natural end; to develop and finish naturally
:
•
Their relationship had simply run its course.
Hubungan mereka hanya berakhir secara alami.
•
The doctor said the illness would have to run its course.
Dokter mengatakan penyakit itu harus berakhir secara alami.