Are you in a Chinese speaking nation and landed up in a situation where you are unable to understand anything? Then, read some Chinese sentences that will help you to converse properly in that nation.
To acknowledge someone
English: Hi!/Hello!
Chinese: 嗨！/你好！
English: Good morning/afternoon/night/day!
Chinese: 早上好/下午/夜间/天！
With strangers
English: Nice weather we have today; don't you think so?
Chinese: 我们今天天气不错，你不这么认为吗？
English: So, do you come here often?
Chinese: 所以，你常来这儿？
English: Excuse me. You look very familiar. Have we met somewhere before?
Chinese: 对不起。你看起来很熟悉。难道我们以前见过面？
English: Excuse me. Can you tell me what time it is?
Chinese: 对不起。你能告诉我现在是什么时间？
With acquaintances/friends
English: Hey! It's been quite some time.
Chinese: 嘿！它已经相当长的一段时间。
English: How are you?
Chinese: 你好吗？
English: Looking good!/You look great!
Chinese: 看起来不错！/你看起来很棒！
English: What a pleasant surprise! I didn't expect to see you here.
Chinese: 真巧！没想到在这里见到你。
Introductory sentences
English: Pleased to See You
Chinese: 很高兴看到你
English: What is your name?
Chinese: 你叫什么名字？
English: My name is…..
Chinese: 我的名字是... ..
English: What is it?
Chinese: 是什么呢？
English: Where is it?
Chinese: 它在哪里？
At the restaurant
English: May I have (a cup of) coffee, please.
Chinese: 我有（A杯）咖啡，请。
English: Do you have iced tea?
Chinese: 你有冰茶吗？
English: Is there a table available for four people?
Chinese: 有一张桌子四个人可用？
English: Can I get the bill?
Chinese: 我可以得到比尔？
While shopping
English: How much does it cost?
Chinese: 多少钱？
English: It is very costly
Chinese: 这是非常昂贵的
English: I wish to replace the currency
Chinese: 我想更换货币
In general
English: Thank you very much
Chinese: 非常感谢你
English: What is the time, please?
Chinese: 什么是时间，好吗？
English: I didn’t understand
Chinese: 我不明白
English: I love this country
Chinese: 我热爱这个国家
English: I have come from… (America/UK, etc.)
Chinese: 我来自...（美国/英国等）
English: Where do you stay?
Chinese: 你在哪里住宿？
Inquiring for directions
English: Where is the train station?
Chinese: 火车站在哪里？
English: How to arrive at the airport?
Chinese: 如何到达机场？
English: Where can I get a taxi?
Chinese: 我在哪里可以打到出租车？
You need not be an expert at languages and cultures, but sometimes it proves important to learn some basics about the country you are visiting, just for the simple reason of SURVIVING!!
In Italy the customary handshake with direct eye contact and a smile proves sufficient between strangers. 
Germany is famous for its sausages. They have a variety of at least 1,500 varieties available.
When invited for dinner in France it is important to dress well, as the French are very fashion conscious 