1. As long ago as 1809, the Swedish Parliament introduced a scheme to safeguard the interest of the individual.
    早在1809年，瑞典论会就建立一个保护公民利益的制度。

2. It is obligatory for everyone to safeguard our motherland.
    保卫祖国人人有责。

3. Insurance will safeguard your property.
    保险会使你的财产得到保障。