She decided to hire a private lecturer to help her prepare for the university entrance exams.
她决定聘请一位私人讲师来帮助她准备大学入学考试。
The private lecturer provided personalized tutoring to the students, which significantly improved their understanding of the subject.
私人讲师为学生提供个性化辅导，显著提高了他们对科目的理解。