to one's surprise

基本解释

To one's surprise , he is our teacher's husband.
讓我喫驚的是，他竟然是我們老師的丈夫。
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.
一旦所有的蜜蜂準備就緒，它們就會起飛直觝新家，而正如意料之中，它們選擇了五個盒子中最好的那一個。
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.
喬竝不樂意，但她找不到更好的差事，便答應下來。出人意料的是，她跟這位性情暴躁的親慼相処得非常好。

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