YOU SAID:

I don't really know what to do with this...

INTO JAPANESE

私はこれをどうするか本当にわかりません...

BACK INTO ENGLISH

I really don't know how to do this ...

INTO JAPANESE

やり方を知らない

BACK INTO ENGLISH

I don't know how to do this.

INTO JAPANESE

やり方を知らない

BACK INTO ENGLISH

I don't know how to do this.