但不幸的是，当我们到的时侯，正要准备出发，突然下起大雨来。

But unfortunately, when we was starting to hike, it suddenly rained.

youdao

但不幸的是，当我们到的时侯，正要准备出发，突然下起大雨来。

But unfortunately, when we was starting to hike, it suddenly rained.

youdao