1. beyond the reach of 鞭長莫及;無法達到
Such matters are beyond the reach of the law.
這樣的事情不受法律的管轄
。2. bump against 撞上
The stool is placed in front of the door, so people often bump against it when walking by.
凳子放在門口,走路的時候總是磕碰
。3. touch on 與…有關,涉及
In his speech he was only able to touch on a few aspects of the problem.
他在演講中只能涉及這個問題的幾個方面
。