obduracy
n. 冷酷无情,顽固,执拗
If you accuse someone of obduracy, you think their refusal to change their decision or opinion is unreasonable.
MPs have accused the government of obduracy and called on ministers to reverse their decision.
议员指责政府顽固不化,呼吁部长们改变决定。
1. resoluteness by virtue of being unyielding and inflexible