0 A career-defining moment or action is one that is very important in making someone successful in their job or in deciding how they will be remembered. -- （一个使人事业成功，或决定将如何被后人记住的）关键时刻（或行动）
Winter's rendition is regarded as a career-defining track, and the song continued as a standard of his live performances.
Djokovic also commented on the match, saying this was a moment he would never forget, and considered it a career-defining victory for himself.
The record explodes back onto the scene with a career-defining collection of summertime bangers.
