His style of argument in meetings is not so much aggressive as pertinacious .(他在會上的辯論風格應該說是堅持己見，而不能說是咄咄逼人。)

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.(不論我在干什么事，這個疑問總使我煩惱。它是那樣執拗地糾纏著我，以致我決定請假到呼嘯山莊去，幫著料理后事。)

It can be a very loose film, dust like in appearance and texture that can be readily wiped off to a tight pertinacious film that requires scraping with a sharp instrument to be removed.(相對于需要用尖銳的工具刮除的緊固的膜來說，它是非常松散的膜，外表和結果上看來象灰塵，很容易擦去。)

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.(無論他們遇到什么，他們將設法正視它，努力朝它前進，然后依靠頑強的意志和堅強的毅力自信地解決它。)

Objective To study the etiology of pertinacious chronic cough in children.(目的探討小兒難治性慢性咳嗽的病因。)