What's the difference between those two? For instance, in a sentence like "你们赶紧/快走吧" can I use both indiscriminately? What are the particular conditions that make me prefer one rather than the other?

4 Answers 4


赶紧 is an adverb and modifies the verb that follows it. It has the meaning of "hurry up to do something".

For examples,

赶紧走 hurry up and go

赶紧吃 hurry up and eat

赶紧跟她道歉 hurry up and apologise to her

快 in you example sentence functions as an adverb. It has the meaning of "do something quickly."

你们赶紧走吧 "Hurry up and go" and 你们快走吧 "go quickly" means essentially the same thing.

But the word 快, in other contexts, can also be an adjective, which you can modify using 很,太,非常, etc.




But you cannot do the same with 赶紧. This usage of 快 is very different from 赶紧.

  • Wow thanks a lot! Very clear explanation!
    – Chiara
    Commented Feb 3, 2015 at 7:53

In the usage of the sentence “你们赶紧/快走吧”

Yes you can use both indiscriminately.

The only different between “赶紧” and “快” in the sentence above is the number of words.

  • 赶紧 means you have to do it now
  • got other usage but one of them is same as 赶紧

In my opinion, if I have to use in the above sentence it would be like I'm shouting 快走吧!! shorten the number of sounds I have to pronounce.

Then I will use 赶紧 in the above sentence it would be like I'm talking gently 你们赶紧走吧

  • I agree, if you use 赶紧, it sounds a bit more polite than 快 which in this case is the major difference between the 2 usages.
    – Huangism
    Commented Feb 2, 2015 at 17:06

In you question, there is not much difference. In other situations, 快 is more often used, for example, 时间过去的很快。我们快到家了。

  • Shouldn't it be 时间过去得很快? With 得 instead of 的? Thanks for the help anyway.
    – Chiara
    Commented Feb 2, 2015 at 7:05
  • I think it should be 时间过得很快 instead of 时间过去的很快
    – Raynoceros
    Commented Feb 2, 2015 at 9:22
  • Thanks to @Chiara and Raynoceros. And why there is no one correct my English? :) "In your question,"
    – PdotWang
    Commented Feb 3, 2015 at 1:50
  • 1
    because this is chinese stack exchange :D
    – Raynoceros
    Commented Feb 3, 2015 at 6:26

There are excerpts from The Contemporary Chinese Dictionary,which is authority of the Chinese language.

First,We talk about the discussion of answer above.

Though 'fast' and 'past' can be translated respectively as 快的 and 过去的, in Chinese, no expression like 时间过的真快. The explanation of 的 The explanation of 的 Part 2 As the dictionary says in Interpretation 3: 的 used after a predicate verb to emphasize the perpetrator,time,place or method and the usage is only legal in past tense.

For 得,in interpretation 3: used after verb or adjective to express the result or extent. The explanation of 得 If we directly translate the sentence into English:

时间  过      得  真        快
Time passed     really   fast

得 has no corresponding translation.

Noticeably, both of them is light tone in the circumstance.

In addition , in some ROC period or earlier literatures we can see they used 的 instead of 得.

Okay,let's talk about 赶紧 and 赶快. The explanation of 赶紧 They both are adverb, the prior means seize the opportunity firmly, without any delay and the later means to seize the opportunity,speed up.

  • In an emergency, we use 赶紧 more, such as 赶紧走!(Go quickly!),赶紧加工(Accelerate the process of machining).
  • In some situations we also use 赶快: 赶快,否则你会迟到!(Hurry up, or you'll be late!),赶快上车(Get on quickly)。

The explanation of 快

A bit confusing, actually, there are no so many differences between them. Often one can be replaced by the other.

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