"she was afoot when I saw her this morning"
"there is mischief afoot" "plans are afoot" "preparations for the trial are underway"
"they went to the village afoot" "quail are hunted either afoot or on horseback"
The lama and Mahbub Ali, both afoot, walking cautiously.
牛津高阶第八版
美国韦氏词典
Dictionary.com
Free Dictionary
维基百科 (自由的百科全书)