They must touch all bases as quickly as they can.

他们必须尽快跑遍所有垒位。

Or, as it is said, until you touch all bases.

也就是说，直到你跑遍所有垒位。

A diplomat in reporting on negotiations with diplomats from different countries may say they " touched all bases" during many hours of talks.

据报道，一名外交官和来自另外一个国家的外交官谈判的时候可能会说，在多个小时的谈判中他们“touched all bases”。

Their duty is to give the reader a complete picture of the event in as few words as possible. They must touch all bases as quickly as they can.

他们的任务是用尽可能少的话语为读者描述出赛事最完整的情况。他们必须尽快跑遍所有垒位。