YOU SAID:

Machine Translations are bad quality.

INTO JAPANESE

機械翻訳は品質が悪いです。

BACK INTO ENGLISH

Machine translation quality is bad.

INTO JAPANESE

機械翻訳の品質は悪いです。

BACK INTO ENGLISH

The quality of machine translation is bad.

INTO JAPANESE

機械翻訳の品質は悪いです。

BACK INTO ENGLISH

The quality of machine translation is bad.