Grammar fix

a turning point

decisive moment

a time when an important change happens, especially one that has a lasting impact on the future direction of a situation, life, or process.

collocationC1common

Hear it in context

Notice where the phrase sounds natural.

Losing his job was a turning point in his life, leading him to start his own business.daily life
I believe the turning point in my education was when I changed schools. It completely changed my attitude towards learning and motivated me to work harder.IELTS speaking

Pattern: a turning point in [something]

WrongIt was a turning point of my life.

RightIt was a turning point in my life.

'A turning point IN something', not 'of'.

Patterna turning point in [something]

Choose the version that sounds natural in speech.

Stiff That moment constituted a decisive juncture in my career.

Natural That was a turning point in my career.

'Decisive juncture' is formal; 'turning point' is the everyday word.

Words that usually travel with it.

Unlike 'change' or 'moment', 'a turning point' emphasizes a decisive shift that alters the course of events, not just any change or time.