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29页（197字）
形容以弱敌强，势力悬殊，不自量力，必自取毁灭，例以这样力单势薄的队伍去与训练有素的强队交锋，无异以卵投石。
It is courting disaster to pit a poorly trained weak team against a well trained strong team．