家有一宝C
开和关的英语分别是on和off。
音标：英 [ɒn] 美 [ɑ:n]
释义：（放，穿，连接）上;向前，（继续）下去
1、The lights were all on.
灯都亮着。
2、The TV is always on in their house.
他们家的电视总是开着。
3、We were without electricity for three hours but it's on again now.
我们停电三个小时了，不过现在又来电了。
4、There was a war on at the time.
当时正值战争。
5、What's on at the movies?
电影院在上演什么片子？
音标：英 [ɒf] 美 [ɔ:f]
释义：离开;距，离;被取消;下班
1、Sarah's off in India somewhere.
萨拉远在印度某地。
2、I must be off soon (= leave) .
我必须很快离开这里。
3、Off you go!
你走吧！
4、Summer's not far off now.
夏天已近在眼前了。
5、A solution is still some way off.
解决办法尚需时日。
阿菈VinU菟
开：open 音标： /ˈoʊpən/ /ˈəʊp(ə)n/
关：close 音标：/kloʊs/ /kləʊs/
双语例句：
open：
1、it was a warm evening and the window was open
那是个暖夜，窗是开着的
2、the door was wide open
门开得很大
3、the cupboard's been ripped open.
碗橱已经猛地被打开了。
4、the pass is kept open by snowploughs.
这条路用扫雪车来保持畅通无阻。
5、his eyes were open but he could see nothing.
他眼睁着却什么也看不见。
close：
1、she jumped on to the train just as the doors were closing
正当车门要关闭时她跳上了火车
2、they had to close the window because of the insects.
因为这些昆虫，他们不得不关闭窗户。
3、Loretta closed her mouth
洛雷塔闭上了嘴
4、Rex closed the book.
雷克斯合上了书。
5、the factory is to close with the loss of 150 jobs
这家工厂即将关闭，150人即将失业
洋洋怕狗子
开的英文是on。
OFF是关闭。最常见的，就是ESP功能按钮上有OFF字样。按下按钮，表示关闭ESP功能。on主要是作为单词来使用，可作为介词、副词、形容词等，且后面加名词，当作为开关的简称时，表示“开”。
off是一个英语单词，可以用作介词、形容词、副词、动词、名词，意思是起跑或者杀死。当作为开关的简称时代表“关”。
双语例句
This professor studies ON.
这位教授是研究古挪威语的。
John went home and found that the air conditioner was on.
约翰回家发现空调是开着的。
I put a portrait on the white wall.
我在白色的墙上挂了一幅肖像。
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