1. She is the most vocal and pertinacious of all the critics of the policy. 在所有的政策批评家中，她是陈词最多而且最为固执的。
2. Objective To study the etiology of pertinacious chronic cough in children. 目的探讨小儿难治性慢性咳嗽的病因。
3. His style of argument in meetings is not so much aggressive as pertinacious . 他在会上的辩论风格应该说是坚持己见，而不能说是咄咄逼人。
4. Whenever they encounter something, they manage to see it through, strive forward toward it and deal with it confidently with indomitable will and pertinacious perseverance. 无论他们遇到什么，他们将设法正视它，努力朝它前进，然后依靠顽强的意志和坚强的毅力自信地解决它。
5. Whatever I did, that idea would bother me: it was so tiresomely pertinacious that I resolved on requesting leave to go to Wuthering Heights, and assist in the last duties to the dead. 不论我在干什么事，这个疑问总使我烦恼。它是那样执拗地纠缠着我，以致我决定请假到呼啸山庄去，帮着料理后事。
