In the sentence 长安街,坐公共汽车吧 If I understand it correctly it means"Chángān Jiē, take the bus (from that street)
In the sentence 长安街,坐公共汽车吧 If I understand it correctly it means"Chángān Jiē, take the bus (from that street) ba4. I don't know what that last word "ba4" means. An online dictionary says it is used for emphasis but how and why?Thanks everyone for replying but it is as Robert said , I understood that someone is saying "take the bus to Changan Street" the question is what the word "ba" means in the sentence. If it turns the sentence into a suggestion, I don't get what the English translation would be , would it be something like "Hmm, Changan Street.......you could take the bus [to there]." ?

Question

In the sentence 长安街,坐公共汽车吧 If I understand it correctly it means"Chángān Jiē, take the bus (from that street) 
In the sentence 长安街,坐公共汽车吧 If I understand it correctly it means"Chángān Jiē, take the bus (from that street) ba4. I don't know what that last word "ba4" means. An online dictionary says it is used for emphasis but how and why?Thanks everyone for replying but it is as Robert said , I understood that someone is saying "take the bus to Changan Street" the question is what the word "ba" means in the sentence. If it turns the sentence into a suggestion, I don't get what the English translation would be , would it be something like "Hmm, Changan Street.......you could take the bus [to there]."         ?

Answer

Wow, you are getting some wild answers here...

You are asking what is 吧 used for - it basically just makes the sentence into a suggestion as opposed to an order or demand.

我们去吃饭吧 - how about we go eat?
你去死吧！ - How about you go and die!

Answer

It means that you are not in the CHANGAN street while you want to get there!And you can take the bus to 长安街.

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pls see the following explaination:
1. to consult or to disucss; to ask, to request. 如: 给我吧!
2. to agree: 如:好吧!
3.to speculate: 如: 明天该不会下雨吧？
4. to sigh: 如: 算了吧！
5. to hesitate or to be in a dilemma 
In your case, it depends on what kind of situation is. If someone look for the street, and ask me how he can get there.  but I am not sure, I would say 坐公共汽车吧.

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Meir,my understanding of this sentence is you can take the bus to Chang an jie,Am i right?the last word" ba4",I guess just he/she type wrong,no"ba 4",maybe"ba"(吧), "吧"is a modal auxiliaries in chinese,"dictionary says it is used for emphasis" yes,it is right! people use the chinese character such as "ba吧" "a啊" "le了",as you say,it is used for emphasis.it has little meaning except to intensify the meaning.for example,if i say"让我们一起去玩吧",means"let's play together",the last word"ba"no meaning in here.don't worry,your chinese will become more and more better if you stay long in China.if u have any questions.just ask on italki.we will help you.anyway,hope my answer maybe useful for you.
Grace

Answer

It means that in changanjie there is a bus station there,if youneed,you can take it there.

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