tumble down

基本解释

After that, whenever the mule was crossing a river, it would tumble down, no matter how people stopped it.
自那以后，每当这匹骡子过河时，总要摔倒，不管人们想什么办法也制止不了。
You remember: thousands of two pence coins lie on a moving shelf, and you have to drop in coins of your own in the hope it will cause the pennies to tumble down for you to collect.
你还记得：在一个移动带上有数千个2便士硬币摞成摞，你必须投掷自己的硬币，并希望它会导致那些成摞的硬币被击倒，这样你就能悉数归拢这些硬币了。
Piglets are particularly fond of play, just as human children are, and chase one another, play-fight, play-love, tumble down hills, and generally engage in a wide variety of enjoyable activities.
仔猪特别喜欢玩，就像人类的孩子们，打闹、嬉戏、在山坡翻滚，进行各种娱乐活动。

But at each end, they will get a nudge to tumble down - much like the Wall did two decades ago.
In this village tucked into a rocky mountainside, piles of household refuse tumble down the winding streets and pollute the otherwise picturesque gardens and terrace farms.

Clearly stocks are not of the mind that we will tumble down the cliff.
FORBES: Who's Afraid Of The Fiscal Cliff?

A tumbledown building is in such a bad condition that it is partly falling down or has holes in it.