I wouldn’t say that是什麼意思?

意思是: 我不這麼認為

例句

Person 1: I think this movie is the best of all time. Person 2: I wouldn't say that, there are definitely better movies out there.
人1: 我認為這部電影是有史以來最好的. 人2: 我不這麼認為, 當然還有更好的電影.