重点讲解：
1. say goodbye to
道别；向……说再见；
eg. We have come to say goodbye to you.
我们来跟你告别。
eg. I've decided to say goodbye to my single life.
我决定要告别我的单身生活了。
2. drop in
顺道拜访；突然拜访；
eg. I'd like to drop in and see you sometime next week.
我想在下周什么时候顺便来看看你。
eg. Do drop in if you happen to be passing!
如果你路过我处，务必来看我。
3. in other words
换言之；换句话说；也就是说；
eg. In other words, in life we take risks all the time.
换言之，我们在日常生活中时刻都要面对风险。
eg. In other words you dare not speak because you know you're guilty.
换句话，你是心怀内疚而无言以对吧。
4. get along
（与…）和睦相处；
eg. A sense of humor enabled him to get along well with others.
幽默感使他能与人相处愉快。
eg. I have heard him tell people that we get along splendidly.
我听到他跟别人说我们相处得很好。
