In the street, vans roared past him; brutality blared out on placards; men were trapped in mines; women burnt alive; and once a maimed file of lunatics being exercised or displayed for the diversion of the populace (who laughed aloud), ambled and nodded and grinned past him, in the Tottenham Court Road, each half apologetically, yet triumphantly, inflicting his hopeless woe.

You can watch the cows amble through the pasture.

He ambled along.

I wish you wouldn't amble; this is New York City--you'll get run over.