safe/seɪf/

a.

➊ not in danger of being hurt

➋ not likely to hurt anyone

n. a strong metal box with a lock on it, used for keeping money and valuable things

a.

➊ [不能置于名词前] 安全的，平安的，无危险的：I don't feel safe when I am alone in the building. 当我一个人在这栋建筑里时，我没有安全感。

◇[safe from sb/sth] You are safe from attack. 你不会受到攻击。

➋ 无害的，安全的：[sth is safe to use/drink/eat] The water is safe to drink. 这水可安全饮用。

◇[it is safe (for sb) to do sth] Is it safe to swim here? 在这儿游泳安全吗？

◇[safe for sb] The toys are safe for children. 这些玩具对孩子来说是安全的。

n. [C] 保险柜：The burglar failed to open the safe. 入室窃贼未能打开保险柜。

用法用作名词表示“保险柜”时，复数形式为safes。

谚语Better be safe than sorry. 稳妥总比后悔好。