重点讲解：
1. by any chance (用以询问某事是否属实)会不会，可能；
例句：Are they by any chance related?
他们有可能是亲戚吗？
2. come along (尤用于鼓励别人参加某活动)来吧，一起来；
例句：Come along and take potluck with us.
跟我们一块儿吃顿便饭吧。
3. would like to do sth. 表示想做某事；
例句：He said he would like to stay with grandpa.
他说他想和爷爷住在一起。
4. make sure 查明；核实；弄清；
例句：To make sure that he was at home, I called him up in advance.
为了确定他在家，我事先打电话给他。
