• 减退,减少
• 从…上摔(掉)下,退出
• 从…落下

Verb:

1. come off;

   "This button had fallen off"
   

2. fall heavily or suddenly; decline markedly;

   "The real estate market fell off"
   

3. diminish in size or intensity

The fall from his horse broke his arm.

他从马上跌落摔坏了胳膊。

I think a fall will always be penalized.

我想对于跌落或跌倒总会有一定处罚的。

The weekly report shows a fall in oil prices.

周报显示油价下降。

Takings at the pier have dropped off this season.

这个季节，码头上的收入下降了。

a recent fall-off in sales

近来销售量的减少

One slip and you could fall off the building.

脚下一滑就可能从建筑物上跌下去.

When you are learning to ride a bicycle, you often fall off.

初学骑自行车时, 常会从车上掉下来.

The play seems to fall off towards the end.

剧本近结尾处似乎较之前逊色.

Words fall off by disuse.

词不用就会成为废词.

Leaves fall off the trees in the autumn.

秋天,树叶纷纷从树上掉下来.

It's important to tighten up the wheels properly, otherwise they vibrate loose and fall off.

把轮子拧紧是很重要的，否则它们会因振动松动、脱落。

My bicycle bell is apt to fall off when I ride too fast.

我骑车太快时,自行车的铃老爱掉下来.

Flowers fall off [ will die ] , do what one may . Swallows return, no strangers they.

无可奈何花落去, 似曾相识燕归来.

You'll break your neck if you fall off the roof.

你要是从屋顶上跌下来会摔死的.

In autumn the leaves wither and fall off the trees.

秋天,树叶枯萎并从树上落下来.

You were helped a little by a fall - off in prescription drugs sales.

处方药品的销售额下降了,这对你也小有裨益.

Cyclists who swerve to avoid dogs may fall off their bicyles.

骑自行车转向躲狗的人非从车上摔下来不可.

Why things don't fall off the earth is explained in the text.

为什么东西不掉离地球课文里已有说明.

Grandmother would always come out and scold us, worried that we would fall off.

奶奶总是要骂的, 害怕我们摔下来.