YOU SAID:

RL simulator is a waste of time and it is the worst thing to ever exist

INTO JAPANESE

RL シミュレータは時間の無駄で、これまで存在する最悪の事態

BACK INTO ENGLISH

RL Simulator is the worst thing to ever exist in the waste of time.

INTO JAPANESE

RL シミュレータは、時間の無駄に存在する最悪の事態です。