1.(security)安全；平安；保险
The report goes on to make a number of recommendations to improve safety on aircraft.该报告接着提出了一些改善飞机上的安全措施的建议。
2.(state of not being harmful)安全性；无危险；无害
The safety of tacrine has not yet been proven, and there is concern that it causes damage to the liver.他克林药物的安全性尚未得到证实, 有人担心它会对肝脏造成损害。
3.(safe place)安全地；安全场所
Survivors were helped to safety.幸存者们得到救助, 到了安全的地方。
At last we reached the safety of dry land.最终我们到达了陆地, 终于安全了。
4.(device)安全设施；保护装置
5.【美橄】(player)安全后卫
6.【美橄】(play)安全球
7.safety in numbers
(safer with many people)人多保险；人多势众
Many people still feel there is safety in numbers when belonging to a union.许多人仍然感到加入工会后有了后盾。