YOU SAID:
Go jump on a trampoline
INTO JAPANESE
トランポリンにジャンプします
BACK INTO ENGLISH
Jump on the trampoline
INTO JAPANESE
トランポリンでジャンプ
BACK INTO ENGLISH
Jump on trampoline
INTO JAPANESE
トランポリンでジャンプ
BACK INTO ENGLISH
Jump on trampoline
That didn't even make that much sense in English.