1. Planning ahead should eliminate wastage, but if you have surplus vegetables you'll do a vegetable soup, and all fruits threatening to "go off" will be cooked or juiced. 提前做计划可以减少浪费,但是如果你有多余的蔬菜,你可以做一个蔬菜汤,而且所有可能会变质的水果都可以被煮熟或榨汁。
2. What time do you go off duty? 你什么时候下班?
3. He heard the alarm go off. 他听见警报器响了。
4. He was priming the bomb to go off in an hour's time. 他在事先准备炸弹在一小时后爆炸。
5. The explosive device was timed to go off at the rush hour. 该爆炸装置定在交通高峰时间爆炸。