The gangly, freckle-faced boy tripped and went sprawling to the grass.
The boy skipped back and tripped over his own feet.
As the starting whistle sounded, a boy tripped, fell and began to cry.
In one skirmish a boy from blue tripped and fell across Samuel's legs.
The boys tripped over each other in their haste to be quit of the tent.
The boy tripped over an uneven piece of* rocky floor and fell headlong.
The boy had not tripped on a single word now that his mind had locked on to the problem.
The boy stepped back and nearly tripped on a stalagmite, but managed to keep his feet.
The next moment man and boy tripped and fell, but, luckily, our hero was on top.
He or his boys might have tripped over Winchell.