go off的意思有：离开，去世，消失，睡去，爆炸，被发射，进行，变质。

派生：1.go off at full score全速起跑，失去自制，兴高采烈地出发
2.go off at half cock枪走火； 操之过急（指计划、典礼等尚未安排就绪即行开始）
3.go off at the nail举止失常， 神经失常
4.go off gold废除金本位
5.go off in a faint昏过去
6.go off into开始，爆发出
7.go off like a damp squib不兑现，失败，落空，失效
8.go off like a rocket爆炸，突然燃烧起来， 勃然大怒
9.go off like hot cakes畅销， 敏捷迅速地处理[打发]
10.go off like the snuff of a candle突然死掉
11.go off the air停止广播
12.go off the boil停止沸腾
13.go off the deep end仓促行事
14.go off the handle冒火，激动，死，翘辫子
15.go off the hooks[口]死，发狂
16.go off with拿去，抢走
17.go off with a bang进行得非常顺利，非常成功

例句：
1.The milk has gone off.牛奶坏了。
2.The party went off well.舞会开得很是成功。
3.1.England went off gold. 英国放弃了金本位。
4.If you want a good job, you will have to go out and find one yourself. No one is going to offer you one on a gold plate. Nothing seek, nothing find. 如果你想要一个称心的工作，你就得自己出门去找。没有人会主动把工作给你送上门来。天上不会掉下个金苹果。
5.What concerned him was the rumor that we would someday go off the gold standard and our dollars would no longer be silver certificates. 他感兴趣的是关于我们会撤消金本位制并且我们的美钞将不再与金属货币对值的传言。
6.Go off the air! 下台！
7.Go off into a passion 发起怒来
8.You promised to go with us; what's make you cry off( going)? 你本来答应跟我们一道去的；为什么又不去了呢？
9.We're off/Off we go! 我们出发喽！
10.go on a campaign; go off to war.进行一场战斗；进行战斗。 
11.Don't go off mad.不要急于离开
12. The alarm clock go off. 闹钟响了。
13.How did the party go off? 晚会进行得怎样？
14.I want you to go off. 我要你走开。
15.Go off into a fit of laughter 发出一阵大笑
16.Hamlet goes off stage left. 哈姆雷特从舞台左侧退下。
17.The display was stage-managed perfectly and went off without a single delay. 演出安排得好极了，因此进行得没有半点停顿。
18.To go through a pupal stage. 经历成蛹期
19.The attack was so sharp that he instantly went off the hooks.病势来得如此凶恶，他一下子就死去了。
20. Nhk goes off the air at midnight. nhk播映到午夜12点结束。
21.That station goes off the air at midnight. 那电台每天晚上12点停止广播。
22.This program went off the air two years ago. 这套节目两年前就已停播了。
23.Most radio stations go off the air from midnight to four in the morning.大多数广播电台从午夜至翌晨4时不广播。
24. This station is now going off the air until tomorrow. 本台今天播音到此结束，明天见。
25.I hear Sound Street is going off air soon. 我听说soundstreet即将停播。

go off
爆炸；（爆竹、铃等）响
The signal pistol went off with a bang.
信号枪砰的一声响了。
（食物等）变坏
This steak has gone off.
这牛排坏了。
退步；质量降低；衰败
The goods sold at this shop have gone off.
这个商店出售的货物质量下降了。
消失
The pain went off.
疼痛消失了。
进行情况；发生
The interview went off very badly.
访问进行得极不顺利。
睡着；失去知觉
Has the baby gone off yet?
婴儿睡着了吗？
中断；熄灭