行动不便的英文：
fall about

参考例句：

He has not been so mobile since his accident.
自从出事后他一直行动不便。

It made sense to be cagey, even though crawling while carrying tools and explosives was awkward and uncomfortable
还是小心谨慎点为妙，尽管带着工具和炸药在地上爬，行动不便而且很不舒服。

She was lame in her knees with the gout, and, therefore, seldom stirred out of her room, so sometimes wanted company
她因患痛风，膝盖留下残疾，行动不便，很少出屋，有时便希望有人陪伴。

fall是什么意思：
v. 落下；倒塌；摔倒；下降；减弱；阵亡
n. 摔倒；下降；秋天；垮台；陷落；瀑布
adj. 秋天的

Sleet is falling.
天上下起了冰雹。

fall into disfavour
失宠失众望

We observed the barometer fall. [The barometer was observed to fall.]
我们看见晴雨表下降。

All the expenses fall on me.
全部费用由我支付。

There was a light rain falling.
外面下着小雨。

about是什么意思：
prep. 关于；大约；从事于；在…到处
adv. 附近
adj. 在附近的；即将...的

There was nobody about.
附近没有人。

Stereotypes about adultery are as common as research about it is flaky.
奇怪的是：这种陈词滥调和关于通奸的研究一样普遍。

She has a complex about rats.
她对老鼠有病态恐惧。

How about this stuff, sir?
先生，这块呢绒怎么样?

Press about [around] sb.
拥挤[密集]在某人周围