turning point

Từ điển Oxford Advanced Learner 8th

ˈturning point [turning point turning points] BrE NAmE noun ~ (in sth)
the time when an important change takes place, usually with the result that a situation improves
•The promotion marked a turning point in her career.

Example Bank:
•It marks a great turning point in your lives.
•The election represented a major turning point in American history.
•The industrial revolution was a major historical turning point.
•The process of disarmament is at a crucial turning point.
•The turning point came when reinforcements arrived from the south.
•This win could prove to be a historic turning point in the fortunes of the team.
•This win could prove to be a historic turning point= one that will be remembered in the fortunes of the team.
•That game was a turning point for the team.