Slot your foot (big toeup, pinky toe down) into the crack up to the arch of your foot, keeping your knee out to the side.
把你的脚尖(大脚趾在上,小指在下)楔入裂缝中去,直到你的足弓的部分,膝盖保持向外。
2
His right pant leg was rolled up to the knee, and on the end of his big toe was a plastic weight from his dad's weightlifting set. Every second or so, Hayden flexed his toeup, then down.