YOU SAID:

Cats are bad pets, for they are not clean and are noisy.

INTO JAPANESE

猫は不潔でうるさいので、悪いペットです。

BACK INTO ENGLISH

Cats are bad pets because they are dirty and noisy.

INTO JAPANESE

猫は汚くてうるさいので、悪いペットです。

BACK INTO ENGLISH

Cats are bad pets because they are dirty and noisy.