YOU SAID:

I swim in the sky without pants

INTO JAPANESE

私はパンツなしの空に泳ぐ

BACK INTO ENGLISH

I swim pants without sky

INTO JAPANESE

私は空がないパンツを泳ぐ

BACK INTO ENGLISH

I swim with no sky pants

INTO JAPANESE

私は空のズボンなしで泳ぐ

BACK INTO ENGLISH

I swim without empty trousers

INTO JAPANESE

私は空のズボンなしで泳ぐ

BACK INTO ENGLISH

I swim without empty trousers