A bolt may have fallen off the plane's forward door.

飞机前舱门的一个门闩可能脱落了。

《牛津词典》

The evidence shows that a large number of universities have fallen off the back of the pack, a few perform strongly and the rest chase the leaders.

有证据表明，很多大学已经落后了，有少数学校表现出色，而其余的都在不断追赶领先者。

youdao

They must have fallen off the back of a livestock truck.

它们一定是从运家畜的卡车上掉下来的。

youdao

But they're improving because imports have fallen off a cliff, not because exports are firing again.

CNN: THE LONG, HARD CLIMB BACK UP

Now, the wheels have fallen off the straight talk express and he is starting to say let's extend them.

NPR: Obama Stresses His 'Electability' Versus GOP

Japanese exports have fallen off a cliff, with the export-reliant economy mired in the biggest recession since World War II.

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