niezgrabnie Englisch:

He walked awkwardly down the street.

But sometimes social convention awkwardly calls for shaking hands to signify the end of a meeting, even though no agreement has been reached or a state of conflict still exists.

Some people stared at me awkwardly.

You don't have to do it so awkwardly.

She stumbled clumsily down the black hallway.

She pushed herself clumsily to her feet.