What the second duty is no one has yet discovered.

至于第二要务是什么，还没有人发现。

youdao

In parallel with this, however, a second duty falls on those outsiders.

然而，与之平行的是这些外界参与者应当担负第二种责任。

youdao

The first duty in life is to be as artificial as possible; what the second duty is, no one have yet discovered.

人生的第一项任务是耍尽玩弄技巧之能事；至于第二项任务是什么，则迄未有人发现。

youdao

U.S.Army Sergeant Jeremy Tormala, on his second tour of duty in Iraq, thought the elections gave a good indication that Iraqi forces will be up to the task.

VOA: standard.2010.03.08

There is one military aid on duty every second of every day including overnight.

所以每天每秒钟,包括整一个晚上,都有一个军事助理值班。

普林斯顿公开课 - 国际座谈会课程节选

Mr. MORRIS: Mark Vecchione was six months away from completing his second tour of duty in Iraq.

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He kept it alive and now that young man is serving his second tour of duty in Afghanistan.

CNN: Sunday comics plan unique 9/11 tribute

They will be heading back to Iraq for a second tour of duty.

NPR: Veteran Soldiers, Guardsmen Cut Careers Short