短语词组短语at railway risk 铁路负责AT OWN RISK 自身风险at higher risk of 更有风险at -risk group 易受引诱的学生patients at high risk 高危患者at all risk 无论如何at your risk 由贵方承担风险at any risk 不顾一切;无论冒什么危险;翻译;冒着一切危险 返回 at risk