heaven knows meaning in Hindi

Examples

1. And heaven knows there are plenty of gay priests in the church.
2. But Jim decided that he quite fancied Dot  heaven knows why!
3. So everyone gets blocked and heaven knows what happens to the article.
4. Heaven knows the TV schedule could use more performers of their caliber.
5. Heaven knows, you had little enough to laugh about last year.
6. Heaven knows what a talented performer like Tilly is doing in this rubbish.
7. Heaven knows, I can find enough obscure organizations with Wiki pages.
8. Yet it is neither tidy nor heroic nor, heaven knows, finished.
9. Heaven knows what would have happened if he hadn't rescued me.
10. And heaven knows it makes good copy for scribblers like me.