hoofbeat
n. 蹄声
例句
Riddle Little jun on, night and day without rest, hoofbeat man like war drums, remind people to seize the hour.
谜语小小骏马不停蹄, 日日夜夜不休息, 蹄声哒哒似战鼓, 提醒人们争朝夕。 猜一物。