outhouse通常指在户外工作场地所使用的临时或流动性厕所(有时前面也加 portable )。不过也有老外把家里的厕所叫做john。 例如:
There are several (portable) johns in the construction site.(在建筑场地有几个临时厕所。)
He went to the john a few minutes ago.(他在几分钟前上了厕所。)
The manual labours have to use (portable) johns during their working hours.(劳动者在工作时间内需要使用流动性厕所。)