学生指导 meaning in English

guidance

All efreeti sorcerers have either been taught by nefafareen or by one of her students
所有的火怪巫师都由尼法法瑞自己或她的学生指导过。
The foreign student advisor recommended that she ( should ) study more english before enrolling at the university
外国学生指导老师建议她在上大学之前再学点英语。
When i have given advice on singing / performing , it has been very enjoyable and the students have been carefully picked by the college / studio
我曾经给一些学生指导过一些演唱/表演，我非常喜欢那些经历，学生也是经过学校/工作室仔细挑选过的人选。