adj.执拗的;顽固的;坚持的
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。
His style of argument in meetings is not so much aggressive as pertinacious. 他在会议上的辩论态度并非锋芒逼人而是坚持己见。