YOU SAID:

I have had an erection for a dangerously long period of time

INTO JAPANESE

危険なほど長い間勃起をしていた

BACK INTO ENGLISH

Dangerous as had been erect for a long time

INTO JAPANESE

危険なは、長い時間勃起するいたと

BACK INTO ENGLISH

Dangerous, and long time erection had

INTO JAPANESE

危険なそして長い時間勃起していた

BACK INTO ENGLISH

Had an erection and long hours of dangerous

INTO JAPANESE

勃起と危険の長い時間を持っていた

BACK INTO ENGLISH

Had a long erection and risk

INTO JAPANESE

長い勃起とリスクを持っていた

BACK INTO ENGLISH

Had a long erection and risk