He sheathed the knife and strapped it to his shin.他将刀插入鞘中，绑在小腿上。Bulletproof cars sheathed in armour.防弹车护有装甲.The effect of his mediation was so great that both parties sheathed the sword at once.他的调停非常有效,双方立刻停战....
Pieces of paper were skittering along the sidewalk.人行道上飞舞着一张张纸片。dog poop on the sidewalk便道上的狗屎He avoided stepping on the crack in the sidewalk.他避免踩到人行道的裂缝上....