YOU SAID:

i guess a twinkle in her eye is just a twinkle in her eye

INTO JAPANESE

私は彼女の目のきらめきが彼女の目のきらめきだと思う

BACK INTO ENGLISH

I think her eyes glitter is her eyes glitter

INTO JAPANESE

彼女の目はキラキラだと思う

BACK INTO ENGLISH

I think her eyes are sparkling

INTO JAPANESE

彼女の目はキラキラしていると思う

BACK INTO ENGLISH

I think her eyes are sparkling