YOU SAID:
Because there is a danger that it is involved in a dolphin, please do not grow a hand in a fence
INTO JAPANESE
イルカに巻き込まれる危険がありますので、柵に手を伸ばさないでください
BACK INTO ENGLISH
Do not reach over the fence as you may get caught by dolphins
INTO JAPANESE
イルカに引っかかる可能性があるため、フェンスを越えて手を伸ばさないでください
BACK INTO ENGLISH
Do not reach over the fence as you may get caught by dolphins
That didn't even make that much sense in English.