1、The reason of a narrow mind derives from insularity of society.
心胸狹窄的原因，主要是由于社會的閉鎖。

2、Insularity and self - containment, it is argued, go hand in hand.
他們爭論說，心胸狹窄和自我封閉是并存的。

3、It was the old tragedy of insularity trying to serve as mentor to the universal.
這是一個(gè)古老的悲劇：目光短淺者偏要充當(dāng)胸襟遼闊者的導(dǎo)師。

insularity翻譯