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。
篠田麻里子
