YOU SAID:

I do not know what this is doing

INTO JAPANESE

私はこれが何をしているのか分からない

BACK INTO ENGLISH

I don't know what this is doing.

INTO JAPANESE

理解できんのだ

BACK INTO ENGLISH

I don't know what this is.

INTO JAPANESE

理解できんのだ

BACK INTO ENGLISH

I don't know what this is.