“竟然”怎么翻译成英文？

直接大写，比如：
he IS alive .

To everyone's surprise,he can still survive for so long without job.

He is still alive for such a long time without working!

He has been out of work for such a long time,to my surprise,he is still alive.

It is so long to have no the work, he go as far as to return on the hoof.

或者TO MY ASTONISHMENT