grasshopper/ˈgrɑ:shɔpə(r); ?@ ˈgræs-; `ɡræsˌhɑpɚ/ n1 jumping insect that makes a shrill chirping noise 蝗虫; 蚂蚱; 蚱蜢.2 (idm 习语) knee-high to a grasshopper => knee-high (knee).
牛津英汉双解词典