比赛已经进行了半个小时。的翻译：The game has been going on for half an hour. 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

Competition has been carried out for half an hour.

The game has been going on for half an hour.

The competition has already carried on for half hour.

contest has been carried out for half an hour.

The game has been going on for half an hour.