YOU SAID:

A guest has thrown up in the toilet and forgot to flush it.

INTO JAPANESE

ゲストはトイレで投げているし、それをフラッシュするを忘れ。

BACK INTO ENGLISH

Guest have thrown in the toilet then flush it forgotten.

INTO JAPANESE

ゲストのトイレで投げているし、忘れてそれをフラッシュします。

BACK INTO ENGLISH

And throwing in the guest toilet, flush it out.

INTO JAPANESE

ゲスト用トイレに投げ、それを洗い流します。

BACK INTO ENGLISH

Throw in the guest toilet and rinse it.

INTO JAPANESE

ゲスト用トイレで投げ、それをすすいでください。

BACK INTO ENGLISH

Throw in the guest toilet and rinse it.