safe
单词辨析：
指不会对身体造成伤害和损坏的；也指没有丢失、受伤等危险的，此时不能作定语。
We all wished her a safe journey.
我们都祝她一路平安。
It's not safe to go out alone at night.
夜晚一个人出门不安全。
You must keep these letters safe.
你一定要把这些信保管好。
指因受到保护而不会遭受损害、袭击等的，含可以不必担心或害怕的意味，常后接介词 against/from。
This is a secure hiding place.
这是一个安全的藏身之处。
She felt quite secure with her husband beside her.
丈夫在身边时，她感到很安全。
You are secure here.
你在这里很安全。
相关例句：
On beaches, keep your camera safe from sand by enveloping it inside a plastic bag
在沙滩上时，将相机用塑料袋包裹起来以防止进沙子。
The files are now in a safe to which only he has the key.
文件目前放在一个只有他才能打开的保险柜里。
Electricity shares are still a safe investment
电力股仍然是低风险投资。
In the future people can go to a football match knowing that they are safe from hooliganism
今后人们去看足球比赛时可以不必担心会受到足球流氓的骚扰。
We shall take the treasure away to a safe place.
我们应该把这些宝物带到一个安全的地方。
Crime Prevention Officers can visit your home and suggest ways to make it safer.
预防犯罪的官员可以登门拜访并就如何使居所更安全向你提出建议。