1. It is not reasonable to expect someone to work 12 hours a day without a break.
这种期望要求一个人连续工作12个小时而不休息是不合理的。

2. The price of the car seems reasonable considering its age and condition.
考虑到这辆车的年龄和状况，它的价格似乎很合理。

3. We need to come to a reasonable compromise that will satisfy both parties.
我们需要达成一个能够满足双方的合理妥协。

4. It's not reasonable to expect perfection from yourself all the time.
时刻要求自己完美是不现实的。

5. The teacher gave a reasonable explanation for why the test had to be rescheduled.
老师对为什么要重新安排考试给出了一个合理的解释。

6. It's only reasonable to assume that there will be some delays due to the weather.
可以合理地假设天气原因会导致一些延误。