do-do-do
A deep, thundering rumble of many heavy footsteps or a large mass moving. Conveys overwhelming force approaching.
💡A herd of horses galloping past — 'The ground shook with a do-do-do as they charged.'
大勢の人がどどどと階段を駆け下りた。
A crowd of people ran do-do-do down the stairs.
We could hear the ___ of running feet coming down the hallway.
廊下を走る足音が○○と聞こえた。