Relentless pursuit; harassment, hounding.
Late 19th century; earliest use found in Newsman. Partly from bloodhound + -ing, and partly (in later use) from bloodhound + -ing.
英汉双解词典包含464360条英汉词条,基本涵盖了全部常用单词的翻译及用法,是英语学习的有利工具。