hoping 是 hope （希望） 的进行时，hopping 是 hop （跳，跳上，跳跃）的进行时。We are hoping to catch the evening train to Tianjin.我们希望能够赶上晚上火车到天津。John injured his foot. That's why he is hopping on one leg.约翰 · 伤了他的脚。这就是为什么他一条腿跳跃走路。
hopping 英[ˈhɒpɪŋ] 美[ˈhɑ:pɪŋ] adj. 卖力的，忙碌的; v. 跳上[下]( hop的现在分词 ); 单足蹦跳; 齐足（或双足）跳行; 摘葎草花; [例句]That made me hopping mad and determined to prove him wrong那使我极为恼火，下决心要证明他是错的。
