turning point
US /ˈtɜːrnɪŋ pɔɪnt/
UK /ˈtɜːrnɪŋ pɔɪnt/

1.
titik perubahan, titik balik
a time at which a decisive change in a situation occurs, especially one with important consequences
:
•
The invention of the internet was a turning point in human history.
Penciptaan internet adalah titik perubahan dalam sejarah manusia.
•
His decision to move abroad marked a significant turning point in his life.
Keputusannya untuk berpindah ke luar negara menandakan titik perubahan yang penting dalam hidupnya.