Definition: someone who teaches one person or a very small group of people Level: B2
我儿子有一位数学私人家教。
My son has a private ___tutor for math.
大学期间，我在一个学习小组担任导师。
During college, I worked as a ___tutor for a small study group.
学校提供免费的课后辅导课。
The school offers free ___tutor sessions after class.
