" To tumble short of" something is to fall before you are able to reach whatever destination you are trying to get to.

“To tumble short of”是指在你能够到达你想要到达的任何目的地之前，某物掉落了。

The first phrase that Rodrigo wants to know of is " to tumble short of one's dreams." " To tumble" (tumble) means to fall.

罗德里戈想知道的第一个短语是“to tumble short of one's dreams”。“to tumble”（跌倒）的意思是跌倒。

" To tumble short of your dreams" means to fail before you reach your dreams, before you are able to get what you want.

“to tumble short of your dreams”意思是在你实现梦想之前，在你能够得到你想要的东西之前就失败了。

There must have been moments even that afternoon when Daisy tumbled short of his dreams—not through her own fault but because of the colossal vitality of his illusion.

那天下午一定有过一些时刻，黛西远不如他的梦想——并不是由于她本人的过错，而是由于他的幻梦有巨大的活力。