名詞 obstinacy:

1. the trait of being difficult to handle or overcome
   同義詞：stubbornness, obstinance, mulishness
2. resolute adherence to your own ideas or desires
   同義詞：stubbornness, bullheadedness, obstinance, pigheadedness, self-will

1. He bit the file to English obstinacy and broke his teeth.
   他要打破英國(guó)人的頑固而折斷了牙齒。
2. His obstinacy drives me mad!
   他頑固不化把我氣得火冒三丈！
3. His obstinacy was irritating.
   他那頑固的勁真氣人。
4. Sheer obstinacy prevented her from apologizing.
   她固執(zhí)得就是不道歉。

ob.sti.na.cy

n.（名詞）
【復(fù)數(shù)】 ob.sti.na.cies
The state or quality of being stubborn or refractory.
頑固，倔強(qiáng)：頑固、固執(zhí)或倔強(qiáng)的狀態(tài)或性質(zhì)
The act or an instance of being stubborn or refractory.
頑固或倔強(qiáng)的行為或例子