go off：对…不再喜欢；失去对…的兴趣；进行；进展;（食物或饮料）变质，坏掉
1. 我开始对这一想法失去兴趣了
I started to go off the idea.
2. 你满世界地跑，把苦差事都扔给我
You go off round the world, and leave me to hold the baby.
3. 闹钟确实响了，但我只是打了个哈欠，翻个身又接着睡着了
The alarm did go off but all I did was yawn, turn over and go back to sleep.
4. 他的妻子告诉他不要仓促行事
His wife told him not to go off at halfcock.
5. 以为这次胜利了，便可以万事大吉，这一思想很危险
It is dangerous to think that after this one victory everything will go off without a hitch.
6. 但脚印痕迹可能会变得泥泞，朝着不同的方向消失
But footsteps can be muddied and they can go off in different directions.
7. 点着了灯，随后他们就去睡觉了
Having set their lamps alight, these would go off to sleep.
8. 没有存放在冰箱里的食物变质得更快
Food that is not stored3 in the fridge will go off more quickly.
9. 我本打算要去，但在最后一分钟我改变了主意
I had intended to go but I cried off at the last minute.