YOU SAID:

This thing is fairly sinister.

INTO JAPANESE

このことは、かなり不吉です。

BACK INTO ENGLISH

This is pretty sinister.

INTO JAPANESE

これはかなり不吉なです。

BACK INTO ENGLISH

A sinister is.

INTO JAPANESE

不吉です。

BACK INTO ENGLISH

This is ominous.

INTO JAPANESE

これは不吉なです。

BACK INTO ENGLISH

This sinister it is.

INTO JAPANESE

この不吉なです。

BACK INTO ENGLISH

This sinister it is.