餐厅的卫生间在左边的走廊里。

Cāntīng de wèishēngjiān zài zuǒbiān de zǒuláng lǐ.

The restaurant's restroom is in the corridor on the left.

请问，卫生间在哪里？

Qǐngwèn, wèishēngjiān zài nǎli?

Excuse me, where is the restroom?

没想到这公众卫生间这么干净！

Méi xiǎngdào zhè gōngzhòng wèishēngjiān zhème gānjìng!

I didn't expect this public bathroom to be this clean!