They may tumbleoff or perhaps the scaffolding might actually fall over.
他们可能会关闭或下跌或许是脚手架实际上可能摔倒。
2
From its imponderable monastery, Savoca spreads out along a mountain ridge. Every now and then, bits of it tumbleoff the precipice into the valley below (as happened to the church in 1880).
Exactly a year ago a 9% tumble of Shanghai’s stockmarket sent a shockwave around the world that knocked a couple of percentage points off the Dow Jones Industrial Average in a matter of seconds.