YOU SAID:

It is hard to perform studies across different cultures.

INTO JAPANESE

異文化間研究を実行するは難しいです。

BACK INTO ENGLISH

Intercultural studies can be performed it is difficult.

INTO JAPANESE

異文化間研究を行うことが困難です。

BACK INTO ENGLISH

It is difficult to intercultural studies.

INTO JAPANESE

異文化間研究することは困難です。

BACK INTO ENGLISH

It is difficult to intercultural studies.