他瘫痪了，他几乎无法走路，他带着一根拐杖。他需要协助。

And he's paralyzed, he can hardly walk, he has <em>a</em> <em>crutch</em>. And he needs help.

他老婆吝啬到这样子：假如他给了她一根拐杖，他会蠢到把她那臭腿折断的。

His wife is so mean that if he gave her <em>a</em> <em>crutch</em>, she'd go and bread her bloody leg.

我还要一根拐杖。

I want to have a cane.

这个苛刻的老人站在码头。 拄着一根拐杖。

The stern old man stood on the dock leaning on a stick.

有些人发现，给他们的异手一根拐杖，让他们保持忙碌很有帮助。

Some find it helpful to give their alien hands a cane to keep them occupied.