YOU SAID:

Something is something can you figure out that something?

INTO JAPANESE

何かが何かを理解できますか？

BACK INTO ENGLISH

Can you understand what is something?

INTO JAPANESE

何が何か理解できますか？

BACK INTO ENGLISH

Can you understand what is what?

INTO JAPANESE

何が何だか理解できますか？

BACK INTO ENGLISH

Can you understand what's what?

INTO JAPANESE

何が何だかわかりますか？

BACK INTO ENGLISH

Can you guess what it is?

INTO JAPANESE

それが何であるか推測できますか？

BACK INTO ENGLISH

Can you guess what it is?