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.

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.

To a large extent the criminals, single handedly, created a private sector in these derelict economies.