用英语有示厕所的方法很多，如：

comfort station 公共厕所

public convenience 公共厕所

restroom 公共厕所

lavatory 公共厕所

WC (=water closet) 盥洗室

bathroom 卫生间，浴室

washroom 盥洗室，厕所

toilet 厕所

loo 厕所

bog 茅房

在公共场所用的厕所，一般还按性别区分，有的用符号标示，而有的则用文字表明。如：

Gentleman / Gentlemen / Gents / Gents’ (room) 男厕

Lady / Ladies / Ladies’ (room) 女厕

Man / Men / Men’s Room 男士间

Woman / Women / Women’s Room 女士间

Powder Room 化妆间(女用)

以下是表示上厕所的几个实例，可供参考：

Excuse me, I want to wash my hands. 对不起，我要去洗一下手。

Suddenly he felt a call of nature. 忽然,他想要上厕所。

I got runs so I've to visit John to do No.1 job. 我肚子痛，要上厕所大便。

I had to join a queue for the toilets. 我只得加入排队等着上厕所。

If you'd like a wash, the "Gentlemen's" is just over there. 如果要上厕所，男厕所就在那边。

Excuse me, may I use your bathroom, please? 对不起，我可以用一下你的卫生间吗?

She cannot feed herself or go to the bathroom on her own. 她甚至不会自己吃饭和上厕所。

I am going to go to the bathroom during the next commercial. 在下次广告时，我要去上厕所。

You should stay in bed except for eating or going to the toilet. 除吃饭和上厕所,你应卧床休息。