●ˈleap on sth ( ˈleap upon sthmore formal) (especially BrE) to suddenly become very interested in an idea or a suggestion, especially because you think it will give you an advantage(尤指因有利可图而)突然对(某想法或提议)极感兴趣◆The press leapt on the story. 报界开始对这件事大为关注。[v + prep]