上次非常遗憾，没有合作成功。的翻译：Last time we regret that no successful cooperation. 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

Last very sorry, there is no successful cooperation.

Last time we regret that no successful cooperation.

Previous time regretted extremely that, has not cooperated successfully.

Last very much regret that there was no cooperation to be successful.

Last time we regret that no successful cooperation.