除了被害者是个老人外，我们对其他一无所知。

We know nothing except that the victim is an old man.

youdao

而此时我们对其他队的赛况一无所知。

But we had no idea how well the other teams were performing.

youdao

而此时我们对其他队的赛况一无所知。

But we had no idea how well the other teams were performing.

youdao