在学生会期间组织了几次歌咏比赛并获得圆满成功的翻译：Organized several singing competitions during the students ' Union and was a complete success 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

During the students organized several singing competitions and was a complete success

Organized several singing competitions during the students ' Union and was a complete success

In student association period organized several sings to compete and to obtain the complete success

The student council has organized several times during singing contests and has been successful

Organized several singing competitions during the students ' Union and was a complete success