Mountain without edges,heaven and earth and close,to prince

这个句子是想表达“山无棱,天地合,才敢与君绝.”的意思吧,但这个翻译不对,应该是：
Till mountains crumble,and the earth mingle with the sky,I will stop loving you.
或者更地道些：
I will stop loving you,when an apple fruit grows on a mango tree,on the 30th day of February.