Security-(安全问题)
A：How safe is this area?
这个地方安全吗？
B：Oh, well, you should lock the doors and turn the security system on when you leave, but it really isn’t too bad.
哦，当你离开家的时候要锁好门，并且打开安全系统。但是情况不是这么糟糕。
A：Really? Do you live nearby?
是吗，你住附近？
B：Yes. As a matter of fact, I live about two blocks north. I’ve never had any problems, although there have been a few break-ins recently.
是的。老实说，我住在北面的两个街区之外。我还从未遇到过什么问题，虽然说近来也有出现一些入室偷钱的事件。
A：Hmm.
噢。
B：The security system should take care of that, though. The entrance to the subway is not far from here..
但是安全系统会处理这一切的。地铁口离这儿也不远。
turn on什么意思
A：That’s true. Is the neighborhood trying to do anything about the security?
对。对于安全问题这儿的邻里有没有任何措施？
B：Well, we’ve set up a neighborhood watch program. We caught a guy a couple of months ago.
噢，我们建立了一个邻里监督项目。几个月前还抓住了一个家伙。
A：All right, well, let me think about it.
好的，哦，让我们再考虑考虑。
1. 开：其计算(evaluation)后结果为一逻辑值上式利用&& (and) 将两个 Pattern 求值的结果合并成一个逻辑值.当AWK读入的资料列使得 Pattern1 成立时, AWK 会打开(turn on)当AWK读入的资料列使得 Pattern2 成立时,
2. 开启：若要让 Linux 能自动的启动/停止单独式服务,您得设定服务的启用 (Enable)和停用 (Disable) 的状态,以便 Linux 能在转换至某一个 Runlevel 环境时自动的开启(Turn On) 或关闭 (Turn Off) 该服务.
1. 打开（设备）；接通（…的供应）
When you turn on a piece of equipment or a supply of something, you cause heat, sound, or water to be produced by adjusting the controls.
e.g. I want to turn on the television...
我想开电视。
e.g. She asked them why they hadn''t turned the lights on.
她问他们为什么不开灯。
2. 诱惑；激发…的性欲
If someone or something turns you on, they attract you and make you feel sexually excited.
e.g. The body that turns men on doesn''t have to be perfect.
并不是非得完美无瑕的身体才能激发男人的性欲。
3. 突然表现得;突然装出
If you say that someone turns on a particular way of behaving, you mean that they suddenly start behaving in that way, and you are often also suggesting that this is insincere.
e.g. He could also turn on the style when the occasion demanded.
如果场合需要，他也能瞬间就表现得风度翩翩。
4. 对…进行身体（或语言)攻击;斥责
If someone turns on you, they attack you or speak angrily to you.
e.g. Demonstrators turned on police, overturning vehicles and setting fire to them...
示威者攻击警察，推翻车辆并将其纵火焚烧。
e.g. He turned on Pete and accused him of being mixed up in drugs.
他怒斥皮特，指责他沾染毒品。
5. 依靠;取决于
If something turns on a particular thing, its success or truth depends on that thing.
e.g. The plot turns on whether Ilsa will choose her lover or her husband.
故事情节取决于伊尔莎会选择情人还是丈夫。
verb
1. become hostile towards
e.g. The dog suddenly turned on the mailman
2. get high, stoned, or drugged
e.g. He trips every weekend
3. cause to operate by flipping a switch
e.g. switch on the light
turn on the stereo
Synonym: switch on
4. stimulate sexually
e.g. This movie usually arouses the male audience
Synonym: arousesexexcitewind up
5. cause to be agitated, excited, or roused
e.g. The speaker charged up the crowd with his inflammatory remarks
Synonym: agitaterousechargecommoveexcitecharge up
6. produce suddenly or automatically
e.g. Turn on the charm
turn on the waterworks
7. be contingent on
e.g. The outcomes rides on the results of the election
Your grade will depends on your homework
Synonym: depend ondevolve ondepend uponridehinge onhinge upon