To your surprise, the lights still work.

令你惊讶的是，灯仍然亮着。

You turn the corner and, to your pleasant surprise, an alleyway serves as a shortcut to your safe haven.

你转过拐角，令你惊喜的是，一条小巷是通往你避风港的捷径。

Maybe you were worried about the technology or maybe you were worried if your students would even participate in online classes but hopefully, to your surprise, there haven't been too many problems at all.

也许你担心技术问题，也许你担心学生是不是会参加在线课程，但希望你惊喜地发现问题其实没有那么多。