1. That international sporting contests lead to orgies of hatred, one could deduce it from general principles.
    了解到国际运动比赛会导致疯狂的仇恨，也可以从常理中推断出结论。

2. It would never again be possible for them to lead normal lives.
    他们再也无法过正常的生活。

3. In Flagstaff, Arizona, a thousand miles of bike trails lead into the San Francisco Peaks, the highest summit in the state.
    在亚利桑那州的弗来格斯达佛市，有1000英里长的自行车道通向圣弗朗西斯科山峰，那是该州的最高峰。

4. Insulted, I throw my lunch into the trash barrel and let Sam lead me to the swings.
    我觉得受了侮辱，于是把午饭扔进垃圾桶里，随山姆来到了秋千旁。

5. In extreme cases, roommate conflict can lead to serious violence, as it did at Harvard last spring:
    在极端的情况下，室友间的冲突可能引发严重的暴力。去年春天哈佛大学发生的就是这种情况：