It is important for the overseas students to learn some common and important set phrases in Chinese language because they are often applied to express the profound meanings with the brief characters. Therefore, it is very helpful for the foreigners to learn to speak Chinese. In reading process, you will come across the exercises of writing down the corresponding set phrases according to the explanations provided. Such kind of practicing method is good for strengthening the understanding to the set phrases and improving Chinese language skills.
For example, if the sentence explaining certain set phrase in China like 家家户户都知道is provided, you should first know it carries the meaning that every person knows it. If you have learned many set phrases in Chinese, it would be easier for you to figure out it is the explanation of the set phrase 家喻户晓. Usually, the set phrases appear in the exercises are those have been learned in the text or in class.
Let’s move our attention to the sentence 适应人们的需要而出现了, which means something appears in order to meet people’s needs. In daily life, the set phrase 应运而生is frequently used to indicate such meaning. Another important set phrase you need to master is 乐此不疲, which is often used to describe the state that someone is so addicted to something that he never felt tired of it. The relative Chinese explanation of this set phrase is 特别爱好，因而不觉得疲倦.
If the students ever went to qualified Mandarin program for Chinese language learning, the Chinese language teachers might have taught the learners to express the meaning of 随便议论with the set phrase 说三道四. In most cases, this set phrase carries the negative tone to show it is not correct to talk about something or someone in certain way. If you intend to the meaning of 说话很有道理, you can use the set phrase 头头是道 to show what have been said are reasonable. In the case of describing something is popular just in a period of time, you can say 在一段时间里非常流行. And the relevant set phrase should be 风行一时.