我为全校大合唱比赛做了很多准备的翻译：I do a lot for the school chorus competition preparation 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 did a lot of school chorus competition preparation

I do a lot for the school chorus competition preparation

I did for the entire school chorus competition have very prepared

I am a student chorus prepared a lot competition

I do a lot for the school chorus competition preparation