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55页（228字）
扭转败局，变为胜利，例他冒着生命危险，把敌情及时送到，我军才能集中主力攻敌弱点，转败为胜。
With vital information passed on by him，our troops were able to make a concentrated attack on the enemy and turn the tide of battle．