Late 16th century; earliest use found in Bartholomew Yong (bap. 1560, d. 1612), translator. From classical Latin importūnus importune + -ous.
英语词典包含243303条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。