So he'll be the only transient on the tracks in clean clothing.

所以他可能是铁路游民中唯一衣着干净的人
The trains and the rail yards are his home.

火车和火车站场就是他的家
And when he gets tired of these,

当他厌倦这些后
he chooses a house to make his own.

就挑选一户人家将之据为己有
He'll have a pronounced red, dry rash around his mouth and nose,

他的嘴鼻边有明显干裂的红疹
what's commonly referred to as a "sniffer's rash."

一般叫做鼻吸皮疹
How do we know that?

这是怎么知道的呢
He takes household cleaners.

他吸入家用清洁剂
And we believe he's abusing them

我们认为他大量吸入这些东西
as psychoactive inhalants.

从而得到满足感
Nail polish remover, glue, paint thinner,

洗甲水胶水油漆稀释剂
lighter fluid, whatever is the cheapest high available.

打火机液这些东西便宜且容易到手