The new weapon was too inhumane to be used.

这种新式武器太惨无人道而宜使用。

He thinks Arthur and his knights engagingly native but is shocked by their coarseness and their inhumane treatment of the servants.

他觉得亚瑟王及其骑士们天真得，他们粗鲁无礼、虐待奴仆的行为又令他感到震惊。