重点讲解：
1. go on
进行；发生；
eg. I don't know what's going on.
我不知道发生了什么事bFfTRQ#]xqghh-KY0B。
eg. While this conversation was going on, I was listening with earnest attention...
这场对话进行的时候，我聚精会神地听着%AQE0*[xt-C;8N%gWxs1。
2. for sure
无疑；肯定；
eg. Even to this day we don't know what happened for sure.
即使到现在我们也不确定究竟发生了什么d*W*pPp%_y8e1L2。
eg. If we could by any possibility manage to do it, we would for sure.
如果我们有办法做那事，我们一定会做的piX[M=528(EEnJ8q.。
3. allow sb. to do sth.
允许；容许；准许；
eg. This should not be allowed to happen.
我们不应允许这种情况出现AENfaG06n8-B~E-M。
eg. He promised to allow justice to run its course unimpeded.
他承诺要让司法正义不受阻碍地得到伸张0+_,D==z7xbTU[。
4. force sb. to do sth.
强迫；强制；
eg. The enemy surrounded the town trying to force them to surrender .
敌人围困了这个城，想逼他们投降Yk,aZ.R;a,cT~Y#4B6。
eg. He was forced by the scandal to resign the office to which he had been elected.
他因丑闻而被迫辞去他已当选的职务_vYO((mK2nr|。