1. Even if a piped water supply is safe at its source, it is not always safe by the time it reaches the tap.
    即使管道供水系统在水源处安全的，等水到达龙头时就不一定总是安全的了。

2. But he still did not feel safe enough.
    可是他还觉得不够安全.

3. Bonpland was doubtful whether, even then, it was safe.
    即使如此，庞普朗还是怀疑这水是否安全。

4. When the bear was gone, and all was safe, the man in the tree came down.
     熊走了，一切都平安无事了。树上的人爬了下来，

5. While active, child-bearing age women are most likely to have low iron stores, he notes, "Men are not safe, especially if they don't eat meat and have a high level of physical activity."
    他还指出，虽然积极锻炼的育龄妇女最有可能铁离子储量低，"但男性也并非不缺铁，尤其是在他们不吃肉类而又从事高强度的体力活动的情况下。"

6. There is no safe landing on that coast.
    那一带海岸没有安全的登陆处.

7. The safe had been rifled and many documents taken.
    保险箱遭到搜劫, 许多文件被盗走了.

8. To be really happy and really safe, one ought to have at least two or three hobbies, and they must all be real.
    一个人要想真正感到幸福和平安，至少应有两三种爱好，而且都比较实际。

9. The writer stated that Rastus was in safe hands and would be returned immediately if Mrs. Ramsay paid a ransom of $1,000.
    写信人声称拉斯特斯安然无恙，只要拉姆齐太太愿意支付1,000 英镑赎金，可以立即将猫送还。

10. The kings of ancient Egypt planned strong tombs to keep their bodies safe after death and to hold their treasures.
    古代的埃及国王为了死后尸体不被盗窃，金银财宝得以保全，建筑了坚固的墓穴。