safeguard
/ˈseɪfgɑ:d; `sefˌɡɑrd/ n
~ (against sb/sth) thing that serves as a protection from harm, risk or danger 安全设施; 保护性措施
We make copies of our computer disks as a safeguard against accidents. 我们复制了计算机磁盘以防意外.
We will introduce legal safeguards against fraud. 我们为制止诈骗活动要采取法律保护措施. safeguard, v [Tn, Tn.pr]
~ sb/sth (against sb/sth) protect or guard sb/sth 保护或保卫某人[某事物]
We have found a way of safeguarding our money. 我们已有了保护钱财的办法.
a high fence that safeguards (the house) against intruders 防止外人擅入（房子）的高栅栏
new ways of safeguarding personal data, ie so that it will remain private 保护私人资料的新方法.