determine/dIˋtɝmIn; dIˈtɜːmən or dIˈtɜːmIn/v [T] 1 to find out the facts about something 查明﹔确定: Experts have been unable to determine the cause of the explosion. 专家无法确定爆炸原因。2 to directly influence or affect something 决定﹔直接影响: Training will determine how well you perform in a race. 训练将决定你在比赛中的表现。3 to officially decide something〔正式〕决定: The date of the court case has not yet been determined. 庭审日期尚未确定。