The promotion marked a turning point in her career.

这次提升标志着她事业上的转折点。

The promotion proved to be a turning point in his career.

这次提升最后证明是他职业生涯的一个转折点。

The vote yesterday appears to mark a turning point in the war.

昨天的投票似乎标志着这场战争的一个转折点。

That argument was the turning point for their marriage, and the one which doomed it to failure.

那次争吵是他们婚姻的一个转折点，它注定了他们婚姻的失败。

That's your life turning point.

那是人生转折点。