1. P 安全的，不会有危险的；不受威胁的，受保护的　 out of danger; not threatened by harm; not able to be hurt; protected
2. 没有受到损害的，平安的　 not hurt; unharmed
3. 不致导致损害或损伤的　 not likely to cause or lead to damage injury, loss, etc.
4. A 不冒险的，小心的　 (of a person) unlikely to do dangerous things; cautious

　～ bridge　牢固的桥
　～ chap　可靠的人
　～ driver　谨慎的司机
　～ estimate　有把握的估计
　～ guide　可靠的向导
　～ journey　旅途平安
　～ light　安全灯
　～ load　安全载重
　～ means　可靠的方法
　～ person　可靠的人
　～ place　安全的地方
　～ return　平安归来
　～ subject　不会引起是非的话题
　～ water　安全的水域
　absolutely ～　绝对安全的
　fairly ～　相当安全
　quite ～　十分安全
　～ enough　够安全
　not ～ to lean out of the window　向窗外俯身不安全
　～ to say so　这样说错不了
　～ to win the match　有把握打赢这场球赛
　～ for small children　对小孩很安全
　～ for swimming　对游泳安全
　～ from attack　不会受到攻击
　～ from danger　没有危险
　～ from harm　没有危害

　Only when they got to a safe place, could we regard ourselves as having done our duty.　只有当他们到达安全地方的时候，我们才能认为自己尽到了责任。
　The boat was caught in a strong current, but they rowed with might and main, and soon they got into safe waters.　船被卷入急流中，他们拼命地划渡，很快地他们到了没有急流的河面上。
　We all wished him a safe journey.　我们都祝他一路平安。
　They prayed for the safe return of the kidnapped child.　他们为那个被绑架的孩子能平安归来而祈祷。
　Flying is one of the safest forms of travel.　乘飞机是最安全的旅行方式之一。
　Keep these papers in a safe place.　这些文件保存在一个安全的地方。
　Is this a safe place to swim?　这个地方游泳安全吗?
　Don't mention his divorce; stick to safe subjects.　别提他离婚那件事，只谈不会惹起是非的话题。
　You may accept the book as a safe guide.　你可以将这本书作为可靠的指南。
　I know you're a good safe chap.　我知道你是一个十分可靠的人。
　A safe business man is unlikely to make huge profits.　一个谨慎小心的生意人不可能赚大钱。
　The cab company wants to hire a safe driver.　那家出租汽车公司想雇一名谨慎的司机。
　Don't cry; you're safe now.　不要哭，你现在不会有危险了。
　You'll be safe here.　你在这里很安全。
　The building was locked, and all of us within felt safe.　大楼给锁上了，我们在里面感到安全。
　The house had been condemned because it was no longer safe.　因为不安全，此房已被宣布不能使用。
　He scolded the child but his heart was melted by the joy because she was safe.　他责骂孩子，但孩子安全回家的喜悦又使他心软了下来。
　The car crashed but he was safe.　汽车撞毁了，但他安然无恙。
　The streets aren't safe at night.　夜间街上不安全。
　Don't open the door to strangers, it's not safe.　不要给陌生人开门，那很危险。
　Is the rope safe?　这条绳子安全吗?
　He was very ill, but the doctor says he's safe now.　他病得很厉害，但医生说他现在已经没有危险了。
　Don't walk on that old roof— it isn't safe.　不要在那旧屋顶上走，那里很不安全。
　He is a very fast driver but he's safe enough.　他喜欢开快车，但很谨慎。
　We were safe from attack in the underground shelter.　我们在地下掩蔽所里没有遭到攻击的危险。
　We are here safe from the thunderstorm.　在这里我们不会受到雷雨的袭击。
　She got back safe from her adventure.　她有惊无险已安全返回。
　Are the toys safe for small children?　小孩玩这样的玩具有危险吗?
　Is this water safe for drinking?　喝这水安全吗?
　He pulled at the rope hanging from above to see if it was safe for the climb.　他用力拉了拉吊下来的绳子，看它是不是经得住爬。
　He was safe in the knowledge that Lowell was dead.　他清楚地知道洛厄尔已经去世。
　He is safe in accepting the offer.　他完全接受这项提议。
　You will be quite safe in using the plane.　坐这架飞机将十分安全。
　I feel safe with my friend around.　有朋友在身旁，我就感到安全。
　Your secret is safe with me.　我替你保密。
　The dog is not safe to touch.　一碰这条狗，它就咬人。
　He is safe to accept the offer.　他一定会接受这项提议。
　Mr. Hill is safe to win the seat.　希尔先生必定当选为议员。
　It's not safe to gamble on the train arriving late.　指望这次列车晚点，是很不保准的。
　It's not safe to go out at night.　夜晚出门不安全。
　It's not safe to leave the house unlocked.　门不上锁不安全。
　Is it safe to swim here?　在这里游泳安全吗?

 ♣ a safe bet
　肯定成功的事情　thing that is certain to be successful
　I'm wearing black for the party— it's always a safe bet.　我穿黑色礼服去参加聚会——万无一失。
　It's a safe bet that house prices will continue to rise.　可以肯定地说，楼房价格还会上涨。
 ♣ as safe as houses
　非常安全　very safe
　If you fix the brakes the car will be as safe as houses.　把制动器修好，汽车就非常安全了。
　Your money will be as safe as houses with me.　你的钱放在我这儿是绝对安全的。
 ♣ for safe keeping
　妥善保管　being kept safely, protected, etc.
　Before the game I gave my watch to my wife for safe keeping.　我在比赛前把手表交给妻子保管。
 ♣ in safe hands
　妥善照顾　carefully looked after
　She wouldn't agree to the children going until she felt satisfied they would be in safe hands.　在她能确信她的孩子们会受到妥善照料以前，她是不会同意让他们去的。
 ♣ in (sb's) safe keeping
　由（某人）保管〔保护〕　being kept safely, protected, etc. (by sb)
　Can I leave the children in your safe keeping?　我把孩子交给你看管行吗?
　Don't worry; your jewels are in safe keeping.　别担心，你的珠宝被妥善保管。
　When I go away, I leave my papers in safe keeping in the bank.　我外出时，把自己的文件妥善地保存在银行里。
 ♣ on the safe side
　为慎重起见，以防万一　taking no risks
　Although the sun was shining, I took an umbrella to be on the safe side.　虽然有太阳，但我仍带了伞以防万一。
　Let's take more money than we think we'll need, just to be on the safe side.　为稳妥起见，咱们带的钱要比想象所需要的多一些。
 ♣ play (it) safe
　小心避开危险，慎重行事　carefully avoid risks
　The bus might be early, so we'd better play safe and leave now.　公共汽车可能早到，因此我们得稳妥点，现在就动身。
　When you are swimming, it's best to play it safe and not go too far from the shore.　游泳时最好稳当一些，不要离岸太远。
 ♣ safe and sound
　平安无事　unharmed
　As far as we ourselves are concerned, we are safe and sound.　至于我们自身，则安然无恙。
　The fragile china survived the bumpy journey safe and sound.　那批易碎的瓷器经过颠簸的旅途而完好无损。

 ♣ 下面两个句子意思不同：
　

　他总是安全平稳地驾驶车辆。
　［误］ He always drives his car slowly and safe.
　［正］ He always drives his car slowly and safely.
　［析］ safe是形容词，不可修饰谓语动词。

　safe　还可用作名词，意为“保险箱，保险柜”。例如：
　There was a small safe hidden behind that picture on the wall.　墙上那幅画后面藏着一只小型保险箱。
　Put your valuables in the safe.　把贵重物品放入保险箱。
　I suppose he left it in the safe.　我想，他是把它遗忘在保险箱里了。

　［派生词］ safely adv.安全地；平安地
　［同义词］ guarded, protected, secure, dependable, reliable
　［反义词］ dangerous
　［词源］　古法语salf<拉丁语salvus，与拉丁语salus（安全）