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192页（192字）
比喻刻苦自励，发奋图强，以恢复旧业，例越王句践为了报仇雪耻，曾卧薪尝胆以自励。
After Goujian’s defeat，he resolvedto to wipe out national defeat by undergoing self-imposed hardships．