1、She had striven for years to achieve her dream of becoming a successful entrepreneur.
她努力了多年，终于实现了成为一位成功的企业家的梦想。
2、He striven to become the best athlete in his field and dedicated countless hours to training.
他为了成为该领域最优秀的运动员而努力奋斗，投入了无数个小时来训练。