to delve into
钻研问题
delve into the question
钻研业务
throw oneself wholeheartedly into professional work
刻苦钻研
study hard
经过多年刻苦钻研
go through many years of hard study
汉译英翻译词典收录86165条汉英翻译词条，基本涵盖了全部常用中文字词的英语拼写、翻译、音标、读音、用法、例句等，是英语学习的有利工具。