YOU SAID:

The sloth never talks, never says a word.

INTO JAPANESE

ナマケモノは決して話しませんし、一言も言いません。

BACK INTO ENGLISH

Sloth never speaks and never says a word.

INTO JAPANESE

ナマケモノは決して話しませんし、何も言いません。

BACK INTO ENGLISH

Sloths never talk and say nothing.

INTO JAPANESE

ナマケモノは決して話しませんし、何も言いません。

BACK INTO ENGLISH

Sloths never talk and say nothing.