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》

We stop eating candies and chocolates when all of our teeth have fallen off.

当我们的牙齿全部脱落后，我们就不再吃糖果和巧克力了。

youdao

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

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

Some damage may be immediately apparent such as shattered glass or pictures that have fallen off the wall.

FORBES: Does Your Insurance Cover Earthquake Damage?