She did not venture to say it out loud.

她不敢大声说出来。

Who is Dinah, if I might venture to ask the question?

我冒昧地问一下，迪娜是谁？

I venture to disagree.

我冒昧地不同意。

I'd venture to say we use it too much.

我敢说我们用的太多了。

A: May I venture to ask if you've decided to employ Mark?

我能冒昧地问一问你是否决定雇佣马克了呢？