YOU SAID:

The mouth is the source of disaster.

INTO JAPANESE

口は災いの源です。

BACK INTO ENGLISH

The mouth is the source of trouble.

INTO JAPANESE

口はトラブルの源です。

BACK INTO ENGLISH

The mouth is a source of trouble.

INTO JAPANESE

口はトラブルの元です。

BACK INTO ENGLISH

The mouth is a source of trouble.