Of a person, attitude, etc.: characterized by eagerness or perseverance despite difficulty or opposition.
1940s; earliest use found in Eric Partridge (1894–1979), lexicographer and etymologist. From to press on.
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。