I looked at this questioner in silence.

我默默地看着这个提问者。

The mayor refused to answer the questioner.

市长拒绝回答这个提问者。

Questioners of the decision changed their positions.

质疑这一决定的人都改变了立场。

He agreed with the questioner.

他和提问者达成了一致。

She fixed her questioner with a hostile glare.

她敌意地瞪着向她提问的人。

I was the questioner that day.

我就是那天提问的人。

Questioner: What do you mean?

发问者：你是什么意思？

Questioner: Will you train us?

发问者：你要训练我们吗？