antithetical

The idea of using violence to achieve peace is antithetical to most people's beliefs.

(Chinese) 利用暴力来实现和平的想法与大多数人的信仰是完全对立的。

Their two political views are antithetical, making it impossible for them to agree on a budget.

(Chinese) 他们的两种政治观点背道而驰，这使得他们不可能在预算问题上达成一致。