go off的意思是：对?不再喜欢;失去对?的兴趣;
（爆炸装置）爆炸;（枪）开火;（警报器）突然大作;（电器设备）停止运转;进行;进展;（食物或饮料）变质，坏掉。
1The device is about to go off any second!
那个装置随时可能爆炸！
造句：
It could go off if we move it.
如果搬动的话，会爆炸的。
What time do you go off duty?
你什么时候下班？
I started to go off the idea.
我开始对这一想法失去兴趣了。
Four officers were told to go off duty and rest at home
四名官员已经被通知停职在家休整。
You go off round the world, and leave me to hold the baby.
你满世界地跑，把苦差事都扔给我。
He heard the alarm go off.
他听见警报响了。
The alarm did go off but all I did was yawn, turn over and go back to sleep.
闹钟确实响了，但我只是打了个哈欠，翻个身又接着睡着了。
Boys at that age should be able to explore and go off on their own, go on bike rides, get into mischief .
那个年龄的男孩应该可以自己出去闯，也可以骑车出游，还可以调皮捣蛋。
He had never been afraid of failure: he was a gambler, ready to go off somewhere else and start all over again.
他从来都不害怕失败：他是个冒险家，随时准备到别处从头再来。
He pulled the trigger but the gun didn't go off.
他打了一枪，没有发火。