"use the toilet" in Chinese (Simplified)

上厕所用厕所

Definition

去洗手间小便或大便。

这是较为礼貌的表达，适合正式或公共场合。口语中常说“去厕所”。避免直接说生理行为的词语（如“尿尿”）在正式环境中。

Excuse me, can I use the toilet?

不好意思，我可以**上厕所**吗？

My son needs to use the toilet.

我儿子需要**上厕所**。

Please use the toilet before we leave.

请在我们出发前**上厕所**。

I’ll be right back, I just need to use the toilet.

我马上回来，我要去**上厕所**。

If you need to use the toilet, the restroom is down the hall on your left.

如果需要**上厕所**，洗手间在走廊尽头左边。

During the exam, you must ask permission to use the toilet.

考试期间，必须请示才能**上厕所**。