踩

to tread water / to paddle or tramp in shallow water

to walk on stilts

to step on a mine / (fig.) to inadvertently do sth that has an unpleasant result / (fig.) to be accidentally exposed to a spoiler

to reconnoiter; to case the joint / to cut it fine; to arrive with no time to spare / to dance to the beat

to scout for a tour operator / to reconnoiter a potential tour itinerary / (tennis) to commit a foot fault

(of a cat) to knead (by rhythmically pushing with its front paws)

to operate by means of a pedal

to scout / to reconnoiter

to miss one's step

to trample on