1、specific topic 特定的话题、具体的话题
2、 long time no see 好久不见
3、run into sb 碰到某人
4、How are you = How're you doing ；how have you been ?＞ How've you been ?＞ How you been ？朋友之间好久不见面可以说的句子，书面＞ 口语
5、What are you doing ?你在做什么呢？What were you doing ? 叙旧时可以说，What have you been doing? ＞What've you been doing?＞What you been doing?＞What you been up to ? 书面＞ 口语
6、最近在忙什么？Where have you been ?＞Where've you been ? ;I ‘ve been working /learning English/traveling.
7、约他之前可以说：Long time no see. / It's been too long .=It's been a while.=It's been forever.
8、叙旧 Catch up ; We need to catch up .我们要去叙叙旧。
9、吃饭叙叙旧 We should have lunch together sometime. Let's go grab a cup of drinks. Let's go grab a beer or two .(我们去喝点啤酒)