If that is not possible, then clean off the equipment and your shoes when leaving.

VOA: special.2009.05.26

He began grabbing for his feet as if he would take off his shoes, too, but before he could get at them the Essex knocked him flat and ran over him.

他试图抓住自己的脚，像是想要也脱掉鞋子，但,在他碰到鞋前，埃塞克斯就把他撞倒在地，并碾了过去。

耶鲁公开课 - 1945年后的美国小说课程节选

And then you realize that you've put on your most expensive pair of shoes this mooring, and if you stop to take them off, it might be too late and the child might drown.

你意识到你正穿着,你最贵的一双鞋，但是，如果你停下来脱鞋，就来不及救这个小孩，小孩可能会溺死。

普林斯顿公开课 - 人性课程节选