She researches, writes, and designs everything almost single-handedly.
He was almost single-handedly responsible for bringing coffee culture to the UK .
The new product single-handedly saved the firm from oblivion.
In this way one man could single-handedly control everything that went on among the confined prisoners from his panoptical position in the tower.
The ever-rising levels of electoral competition forced him to concede statutory limits to his historical right single-handedly to choose his successor.
That reluctance played a role in the first forced election and single-handedly caused the second.
A pitcher who is dominant can single-handedly score a victory without much help from his mates.
Sometimes, one particular human being can be shown beyond a reasonable doubt to have created a particular well-defined text single-handedly.