YOU SAID:

how they do that with they doo doo?

INTO JAPANESE

彼らはそれをdoo dooとどうやってやるの？

BACK INTO ENGLISH

For they doo doo and how do I do it?

INTO JAPANESE

彼らのために斗斗とどのようにそれを行うか?

BACK INTO ENGLISH

For they doo doo and how to do it?

INTO JAPANESE

彼らのために斗斗とどのようにそれを行うか。

BACK INTO ENGLISH

For they doo doo and how to do it?