adj.坚定的,固定的,不动摇的,不变的
He glowered and glared, but she steadfastly refused to look his way.
他怒目而视，但是她铁了心不肯朝他这边看。
She steadfastly refused to look his way.
她坚决拒绝朝他那边看。
She steadfastly maintained that her grandsons were innocent, and nothing could dissuade her from that belief.
她坚持认为她孙子是无辜的，什么都不能改变她这一看法。