未料到的的英文怎么说

未料到的的英文：
subitaneous

Unexpected developments,changes,results
未料到的发展、变化、结果

His Hamlet was a revelation to the critics, ie They did not expect him to act so well.
他扮演的哈姆雷特使评论界耳目一新（未料到演得如此之好）。