to one's surprise

基本解释

To one's surprise , he is our teacher's husband.
让我吃惊的是，他竟然是我们老师的丈夫。
Once all the bees had warmed up, they lifted off for their new home, which, to no one's surprise, turned out to be the best of the five boxes.
一旦所有的蜜蜂准备就绪，它们就会起飞直抵新家，而正如意料之中，它们选择了五个盒子中最好的那一个。
This did not suit Jo at all, but she accepted the place since nothing better appeared and, to every one's surprise, got on remarkably well with her irascible relative.
乔并不乐意，但她找不到更好的差事，便答应下来。出人意料的是，她跟这位性情暴躁的亲戚相处得非常好。

The crew in Espoo has pitted Nokia Maps from the Lumia 920 against both Apple's equivalent as well as Google Maps -- and to no one's surprise, Nokia's own platform comes out on top.
ENGADGET: Nokia stacks up its maps next to Apple's and Google's, politely suggests it comes out on top (update: more detail)
To Dr Singleton's surprise, one group nests in trees.
ECONOMIST: Pest control
The right response to Japan's electoral surprise, therefore, is one of guarded pessimism.
ECONOMIST: Goodbye, Hashimoto