我曾经是一名华文老师从2006年三月到2010年八月在乐赛学校。的翻译：I've been a Chinese-language teachers from March 2006 to August 2010 in racing schools. 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

I used to be a Chinese teacher from March 2006 to August 2010 in game music school.

I've been a Chinese-language teachers from March 2006 to August 2010 in racing schools.

I once was a Chinese teacher from March, 2006 to August, 2010 in the happy match school.

I used to be a Chinese-language teachers from March 2006 to August 2010 in American schools.

I've been a Chinese-language teachers from March 2006 to August 2010 in racing schools.