An instructor given to extremely rigorous training.

• 严格的指导者

An instructor given to extremely rigorous training.的用法和样例：

例句

1. No, the instructor should be an instructor, not a student.
   不，指导者必须为教师，而不是学生。
2. If you have questions about what you see, make sure to ask your TA or your instructor.
   如果你对你所看到的结果有所疑问，去问你的助教或指导者以确定你所看的。