No.1 You must be Susan's husband.（你一定是那谁）“You must be” is used to start talking and introduce yourself to someone, when you think you know who the person is.当你认为你知道这个人是谁的时候，你就可以用“You must be”来开始说话，并向别人介绍自己。
No.2 How's your wife / friend?（你的……怎么样了）This phrase is used to ask the person you are talking to for information about someone close to them.这个短语是用来询问和你谈话的人关于他们亲近的人的信息。
No.3. Nice weather, isn't it?（好天气，不是吗）Used when you can't think of anything else to talk about. If the weather is bad, you could say 'Rotten weather, isn't it?' instead.当你想不出任何其他可以谈论的事情时使用。如果天气不好，你可以说“天气糟透了，不是吗?””代替。
No.4 What's new?/What have you been up to?（最近怎么样）Phrases for general enquiries, asking for news about a person.用于一般询问的短语，询问关于某人的消息。比如说：Are you still working for the same firm?工作吗?
No.6 I haven't seen you for ages.（好久不见了）This has a similar meaning to, What have you been up to? but is expressed as a statement rather than a question.这句话的意思和，你最近在忙什么?相似，但是作为一种陈述而不是问题来表达。
No.7 What a coincidence!/ Fancy meeting you here!（好巧啊，想不到在这遇见你）Phrases used to express surprise when you meet someone you weren't expecting to meet.当你遇到一个你意想不到的人时，用来表达惊讶的短语。hat’s all you need to know to start a chat with anyone, everyone the person sitting next to you. Now take a breath, smile and say hello.这是你开始和任何人聊天所需要知道的一切，你身边的每一个人。现在深呼吸，微笑着打招呼。