最佳答案
开：on、open、start关：off、close、shut、stop不同的情况，分别用不同的词
“开”双语例句：
这扇窗户是向西开的。The window opens to the west.
他为小学生开公共汽车。He drives the bus for the pupils.
我的猫咪一闻到小狗身上的气味便马上跳开跑掉了。My cat started off as soon as he smelt the little dog.
别开得那么快!你必须把速度限制在规定的范围内。Don't drive so fast! You must keep within the speed limit.
他请一位有经验的司机为他试开那辆捷达车。He asked an experienced driver to test-drive that Jetta for him.
“关”双语例句：
昨天又有两家店铺关了。Two more shops closed down yesterday.
我就迟到了五分钟，便被关在了门外。I was shut out for being five minutes late.
他们把记者关在法庭门外。They barred the reporters out of the courtroom.
这窗子关不上。The window won't shut.
这些牛在火中被烧死了，因为它们当时被关在(牛栅)里面。The cows died in the fire because they were barred in (the hut).