冒昧

Or the writer may, riskily, ask the questioners what is real, anyway?

有作家或许会冒昧地反提人：究竟什么是真实？

May I make so bold, sir, as to suggest that you try the grilled fish?

先生，冒昧地建议您嚐嚐烤鱼。

I hope I won't be considered presumptuous if I offer some advice.

如果提出点忠告，望不会显得冒昧。

I took the liberty of borrowing your dictionary while you were absent.

你不在时冒昧借用了你词典。

I ventured to write to her.

冒昧给她写信。

Excuse my -ties.

请冒昧。

I venture to say that....

恕冒昧地说...。