在他来我校前参加了教师培训课程班的翻译：Before he came to our school took part in the teacher training course 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

Before he came to my school classes participated in teacher training courses

Before he came to our school took part in the teacher training course

Came in front of my school in him to participate in the teacher to train the curriculum class

Before he came to me in school participated in the teachers' training courses

Before he came to our school took part in the teacher training course