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38页（230字）
比喻刻苦自励，发愤图强，以恢复旧业，例越王勾践为了报仇雪耻，曾卧薪尝胆以自励。
Prince Gou Jian of the State of Yue，nurtured his vengeance on the conquerors of his country，by sleeping on faggots and tasting animals’gall．