adj.徒步的；在准备中的；在进行中
adv.徒步地；在准备中地；在进行中
Maybe something deeper is now afoot too. 也许还有其他事情也正在酝酿之中。
There are plans afoot to build a new library. 关于建设一座新的图书馆的计划，正在准备中。
Preparition for dinner is getting afoot in the kitchen. 厨房正在准备晚餐。
If there is any mischief afoot, he is sure to be in at it. 要有什么调皮捣蛋的事，肯定有他的份。
用作副词 (adv.)