YOU SAID:

save that his eyes were keen as stars;

INTO JAPANESE

彼の目が星のように熱心だったことを除けば。

BACK INTO ENGLISH

Except that his eyes were as enthusiastic as a star.

INTO JAPANESE

彼の目が星のように熱狂的だったことを除いて。

BACK INTO ENGLISH

Except that his eyes were as enthusiastic as the stars.

INTO JAPANESE

彼の目が星のように熱狂的だったことを除いて。

BACK INTO ENGLISH

Except that his eyes were as enthusiastic as the stars.