lucus a non lucendo

例句：

1. 1.The student was lazy and did not work hard enough to pass the exam.
   学生懒惰，没有足够努力通过考试。
2. 2. The team lacked motivation and did not put in the effort needed to win the game.
   团队缺乏动力，没有投入赢得比赛所需的努力。
3. 3.The business owner failed to invest in new technology and did not make an effort to improve their operations.
   商业老板未能投资新技术，没有努力改进他们的运营。