1, pertinent is a Chinese word, pronounced zhòng kěn, which means to speak to the point or to the point.

2, the language "Zhuangzi Health Master": "The skills are not bad, but what is it?"

3. In modern Chinese, there are also very objective meanings expressed by opinions.

4. Quote and explanation: Master Zhuangzi: The technical classics are not bad, and the situation is good? Ken, the flesh of bones; The junction of bones and muscles. If you are willing to regard it as a matter of importance, you will hit the nail on the head or just with your pertinent opinion. A good butcher knows the tendon structure of cattle, kills cattle naturally and is skilled, so his knife can be used for many years and still be intact.

5, "Zhang Chuan of Ming Dynasty": A sentence comes out from time to time, and people take it seriously.

6. Lu Xun's "Making a fuss about Lace Literature": Gorky said that popular language is a rough embryo, and literature is processed. I think this is a very pertinent instruction.

7. Ye Shengtao's Diary of North February 10th: His words are very pertinent, and I deeply appreciate them.