How many times had death washed them away and left him alone once more to pursue his lonely task as a continent's guardian?

Telek was left alone to pursue his task.

As Hermux carefully pursues his task, he finds unexpected connections.

Unmixed with affairs in New York, he could pursue his intended task.

He pursued his task of raising money for the king with vigour and severity.

The Borg were cured, free to pursue their own task.

It's still out there, still pursuing its task.

The inspectors have pursued their task despite a new dispute over Baghdad's refusal to hand over requested documents.

"Forgive me," the Vulcan said, pursuing her task in silence.

The Commission indicated in the communication that it will pursue its task with other third countries requesting passengers' data.