ciężko stąpać in English:

Tom sat on the stump loading his gun.

He turned and stumped away angrily.

the stumps of its decaying timbers poking through the sand of a north Devon beach

the tree stump / arm stump (after amputation) / candle stump

I plan to stump the USA next year.

That was the best stump anybody ever organized.

They stumped up the hill.

But I have nothing left. I am just an old stump.