at foot的用法和樣例：
例句
- A dog is lying listlessly at the foot of the wall like a snake, putting out its tongue in order to dissipate heat.
狗是在無精打采地躺在腳下的牆像一條蛇，把它的舌頭，以便散熱。 - The Confederates were naturally delighted to find a sizeable Union force trapped at their feet in a six foot ditch.
南軍看見一大群北軍被困在腳下六英尺深的壕溝，當然高興得很。
辭彙搭配
- have the ball at one's foot 有成功的好機會...
