He remonstrated with me against the propriety of asserting my freedom.

他反对我维护自由的正当性。

I would refuse, saying that I feared my master's displeasure, and several times ventured to remonstrate with her against the treatment Patsey received.

我会拒绝，说我怕我主人不高兴，而且有几次冒昧地向她抗议， 反对帕西受到的待遇。