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233页（271字）
指临作战时逃跑，也比喻事到临头就退缩逃避，例事前大家曾相约要一口气跑到山顶碉堡，不料小王却临阵脱逃。
Before setting off，all agreed they would climb the hill in one go and meet at the fort at the top．Who would have thought that Xiao Wang would back out at the last moment?