Unintelligible Apology 歌词翻译

子孙不孝，在此向祖先在天之灵致歉
因我未能赓续世代相传的语言
只是列祖列宗无一知我所言

I want to apologize to my ancestors in heaven
that I didn't manage to preserve their language,
but none of them can understand what I say.