Life is a roller coaster, you have your ups and downs unless you fall off.

You could fall off the bed and bump your head!

“你会掉下床来碰伤你的头. ”

These unreasonable rules should fall off.

这些不合理的规章制度应该废止.

Its layers of bark can fall off naturally.

它的树皮会一层层自然脱落.

I fall off my perch, you fool ! screeches the parrot.

“那我就掉下来了, 你这个 笨家伙,”那只鹦鹉尖叫着说.

The play seems to fall off towards the end.

剧本近结尾处似乎较之前逊色.

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。

At this stage their scales fall off.

在这一阶段,它们的鳞片纷纷脱落.

Phoebe: If I let go of my hair, my head will fall off.

如果我放开自己的头发, 我的头会掉下来.

Life is like riding a bicycle. You don't fall off unless you stop pedaling.

生活就像骑车, 只有在你停止踩踏板时才会掉下来.

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.

If you fall off that roof you will break your neck.

你要是从房顶上摔下来,你会摔死.

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.

This terrible threat caused the two women to fall off immediately.

两个女人,一听到这声可怕的吓唬,撒腿就跑.

One slip and you could fall off the building.

脚下一滑就可能从建筑物上跌下去.

This article seems to fall off towards the end.

这篇文章写到结尾越来越糟.

My readers will never fall off from me.

我的读者将永远不会背弃我.

Taken in isolation these statements can be dangerous fallacies.

孤立地看，这些说法可能是危险的谬论。

Such fallacies are not easily perceived.

识别这种谬论并非易事.

This report is full of fallacies, and dangerous fallacies at that.

这篇报道充满了谬误, 而且是危险的谬误.

Economics is haunted by more fallacies than any other study known to man.

在人类所知领域中,经济学总是被更多的谬误所困扰.