1. If somebody knows you have a nuclear weapon in your house, they're going to think twice about breaking in. 如果知道你家里有核武器，他们在破门而入之前肯定会再三考虑。
2. I do think twice a year the museums should organize money raising events to help pay for the cost of staying open. 我每年都会再三考虑博物馆应该组织筹款活动来帮助支付开放的费用。
3. Some parents may not think twice about any of these choices and send their child to the only school available in the immediate neighborhood. 对于这些选择，有些家长可能还未再三考虑，就把孩子送到附近唯一的学校。
4. You should think twice about employing someone you've never met. 雇用素不相识的人应三思而行。
5. Think twice next time you want to throw away food. 下次你想要扔掉食物时，请三思。
