good grief!
US /ɡʊd ɡriːf/
UK /ɡʊd ɡriːf/

1.
astaga, ya ampun
an exclamation of surprise, exasperation, or alarm
:
•
Good grief, look at the mess you've made!
Astaga, lihatlah kekacauan yang kamu buat!
•
Good grief, is it that late already?
Astaga, sudah selarut ini?