He stumbled blindly on through the dark building.

他摸索着撞撞地穿过漆黑的。

I could hear my father bumbling about downstairs.

我听见父亲在楼下撞撞地着。

Without my glasses, I blundered into the wrong room.

我没戴眼镜, 撞撞地错了房间。

He blundered through the dark forest.

他在黑暗的森林中撞撞地。