Origin of single-handedly
Examples from the Web for single-handedly
For years, William Schmidt single-handedly dug a tunnel through a mountain to transport his gold-rush loot.
Once a pampered princeling, Yarvi cannot single-handedly succeed (literally or figuratively) and so must become a leader.
Sure, it wouldn't be easy; even Bassam suffers some setbacks on his quest to single-handedly liberalize Abbudin.Generic and Superficial ‘Tyrant’ Amerisplains the Middle East|Andrew Romano|June 25, 2014|DAILY BEAST
Marshall single-handedly reset our understanding of how ulcers are created, and won a Nobel Prize for his efforts.
Ulli single-handedly overturned the ruling several years ago.