bluntly

直率地、坦白地、不客气地

She told him bluntly that his plan would never work.

她直截了当地告诉他，他的计划绝对行不通。

生硬地、唐突地

He bluntly refused the invitation and walked out of the room.

他很生硬地拒绝了邀请，然后走出房间。

坦白说、说白了常用于 to put it bluntly

To put it bluntly, we simply cannot afford this house.

坦白说，这栋房子我们根本负担不起。