YOU SAID:

Have you never been mellow?

INTO JAPANESE

だったことはないまろやかな?

BACK INTO ENGLISH

It was never not mellow?

INTO JAPANESE

それは決してまろやかではなかった?

BACK INTO ENGLISH

It's never, did not mellow?

INTO JAPANESE

それは決して、ないまろやかでしたか。

BACK INTO ENGLISH

Never, was mellow.

INTO JAPANESE

まろやかななかった。

BACK INTO ENGLISH

Mellow was not.

INTO JAPANESE

まろやかでした。

BACK INTO ENGLISH

It was mild.

INTO JAPANESE

マイルドでした。

BACK INTO ENGLISH

It was mild.