Looking to the future, though, we asked him what the prospects are for a vaccine to prevent infection in the first place.

然而，展望未来时，我们首先问他一种预防传染的疫苗前景如何。

《柯林斯英汉双解大词典》

We asked him to come, but he refused.

我们叫他来，可是他拒绝了。

youdao

We asked him the time.

我们向他打听时间。

youdao

But then we asked him if he had ever done anything special.

VOA: special.2010.02.08

We asked him what American teenagers like to do for Valentine's Day.

VOA: special.2010.02.08

We asked Mister Riordan what influenced him to write this series.

VOA: special.2009.10.12

We asked him if he was associated with Blippy or any of its competitors.

FORBES: Blippy User's Debit Card Numbers Still Appearing In Google Cache

In fairness, perhaps, he can't do all the things we asked him to do.

NPR: Who Might Follow Musharraf?

"We asked him if my heart was OK to handle another pregnancy, " she says.

WSJ: Facing Lifesaving Heart Surgery, Twice