出处:按学科分类—语言、文字 中国对外翻译出版公司《汉英成语词典》第158页(230字)
用心苦而造诣深,常用以称许刻苦用心地精研学术,独创事业或去做别人所难做到的事,例这项辉煌的成就,是十多年来他在实验室里苦心孤诣研究的结果。
The outstanding success of his experiments is due to the ten long years of painstaking work in the laboratory.