1 leapfrog /ˈliːpˌfrɑːg/ noun Learner's definition of LEAPFROG
[noncount]
: a children's game in which one player bends down so that another player can leap over the back of the first player跳背游戏（游戏者轮流从弯背人身上跳过） 2 leapfrog /ˈliːpˌfrɑːg/ verb
leapfrogs; leapfrogged; leapfrogging
2 leapfrog
/ˈliːpˌfrɑːg/
verb
leapfrogs; leapfrogged; leapfrogging
Learner's definition of LEAPFROG
: to move ahead of or beyond (someone or something) in a very quick and sudden way超越（某人或某事物） [+ object]
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Skipping his last two years of high school, he leapfrogged his classmates and went to college.他跳过高中最后两年，比其他同学先一步上了大学。
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This year's technologies are leapfrogging last year's designs.今年的设计工艺超过了去年的。
[no object]
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usually + over