YOU SAID:

Daniel is sitting next to me with his arms crossed

INTO JAPANESE

ダニエルは腕を組んで私の隣に座っている

BACK INTO ENGLISH

Daniel is sitting next to me with his arms around him.

INTO JAPANESE

ダニエルは腕を組んで私の隣に座っています。

BACK INTO ENGLISH

Danielle is sitting next to me with her arms crossed.

INTO JAPANESE

ダニエルは腕を組んで私の隣に座っています。

BACK INTO ENGLISH

Danielle is sitting next to me with her arms crossed.