重點講解：
1. go back to/return to
回到；
eg. She'll never go back to her husband. She's done with him for good.
她將不會回到她丈夫身邊了，她這樣做也是為他好。
eg. He wants to give away all his modern possessions and return to nature.
他要舍棄一切時髦的東西而歸真返璞。
2. kick in
開始生效；起作用；
eg. As mentioned earlier, telepathy is most likely to kick in under circumstances of emergency.
正如前面提到的，心靈感應很可能要在危急關頭才會出現。
eg. Such policies take time to kick in, but some of the measures will have had an effect on second-quarter results.
這些政策需要一定時間才能發揮作用，但其中一些政策會對第二季度的經濟數據產生效果。
3. come back
回來；
eg. There is no telling when she will come back.
說不準她什么時候回來。
eg. That they've hung on and come back is amazing.
他們能夠堅持下去并卷土重來這個事實是令人驚異的。