The third hidden task really stalled the project, which was still secret at the time.

第三个隐藏的任务实在把这个项目严重推迟了，因为我当时还没意识到（这个任务的存在）。

youdao

The third hidden task really stalled the project, which was still secret at the time.

第三个隐藏的任务实在把这个项目严重推迟了，因为我当时还没意识到（这个任务的存在）。

youdao