YOU SAID:

私のペニスを私のズボンを保つことができません。

INTO JAPANESE

私のペニスを私のズボンを保つことができません。

BACK INTO ENGLISH

Can't keep my pants, my pants

INTO JAPANESE

私のズボンを保てない、私のズボン

BACK INTO ENGLISH

I can't keep my pants, my pants

INTO JAPANESE

私はズボンを保てない、ズボン

BACK INTO ENGLISH

I can't keep my pants, pants

INTO JAPANESE

私はズボンを保てません

BACK INTO ENGLISH

I can't keep my pants

INTO JAPANESE

ズボンを預けられない

BACK INTO ENGLISH

I can't keep my pants