YOU SAID:

Why don't you go jump off a cliff

INTO JAPANESE

崖から飛び降りる行ったら

BACK INTO ENGLISH

Jump off a cliff when I went

INTO JAPANESE

行った時に崖から飛び降りる

BACK INTO ENGLISH

When I went to jump off a cliff

INTO JAPANESE

崖からジャンプに行ったとき

BACK INTO ENGLISH

When I went to jump off a cliff