YOU SAID:

I can’t think of it off the top of my head.

INTO JAPANESE

頭の上からは思い浮かばない。

BACK INTO ENGLISH

I can't think of it from the top of my head.

INTO JAPANESE

頭の上からは思いつかない。

BACK INTO ENGLISH

I can't think of it from above my head.

INTO JAPANESE

頭の上からは思いつかない。

BACK INTO ENGLISH

I can't think of it from above my head.