Otaku Engineer in Great Tang Dynasty

Chapter 119: Unexpected visitor

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Li Zexuan went to sleep peacefully, but Tiedan was still sweating profusely outside. He was only a seven-year-old child, and it was really difficult for him to run such a long distance, not to mention that he had to stand on a pile for half an hour before running.

When Tiedan ran around the fifth lap, his legs became a little weak. At this time, he relied entirely on his strong will to move his legs hard.

"Brother Tiedan, what are you doing running around?"

After Lan'er got up, she originally wanted to look for Tie Dan, but was told by the servant that Tie Dan was running around Li's house outside, so she came out and stood guard in front of the door. After Tie Dan ran over, she asked curiously.

Tiedan was out of breath and pale at this time. He was really tired and didn't want to talk at all, but thinking that Lan'er usually took good care of him, he simply explained.

"Master...let me...run!"

While speaking, he just slowed down his pace. After he finished speaking, he continued to grit his teeth and insisted on regaining his speed.

"Hey, stop running and rest for a while!"

Lan'er also noticed something was wrong with Tiedan's expression at this time, and quickly chased after him and shouted.

Tiedan shook his head and did not stop. He did not dare to speak now, nor did he dare to stop to rest, because he knew in his heart that as soon as this breath was released, he would probably never be able to run again.

Lan'er followed for a while and gradually felt tired. She saw that Tiedan kept running away and ignored her at all. The little girl stopped, stamped her feet angrily, let out a "hum", turned around and went back. After leaving the yard, Tiedan no longer cares.

… … …

After Li Zexuan got up and washed up, he came to the front yard and saw Tiedan slumped on a stool with a pale face and soaked body, holding a large bowl of water and drinking water. Lan'er and his mother were sitting next to him.

"Brother, what did Tiedan do wrong? Do you want to punish him like this? Brother, please don't let Tiedan run away, okay?"

When Lan'er saw Li Zexuan coming in, she quickly stepped forward and took her brother's arm, saying coquettishly.

"Xuan'er, you are serious. How can a child as young as Tiedan withstand such a test?"

Mrs. Li also helped by saying that she hated to see others suffer the most, not to mention that after being together for so long, she already regarded Tie Dan as half a son. Now seeing Tie Dan like this, she felt a little distressed.

Li Zexuan was inexplicably regarded as a villain by his younger sister and mother, and Li Zexuan felt a little depressed. He touched his nose and was about to explain, when he saw Tiedan quickly put down the water bowl, stood up and bent down to Mrs. Li:

"Master's grandma (the two special terms of address "Master's mother" and "Master's father" are still "vacant" in Chinese, so let's use this one for now. If you have better ones, you can leave a message in the book review area), this is Tiedan wants to run away on his own, no wonder Master, Tiedan thanks Master for caring."

Don't look at Tiedan's crazy and lawless behavior with the naughty children in Hanjiazhuang. After experiencing so many things and staying in the Li family for such a long time, he has already made a clear distinction between good and evil, good and bad. Now Tiedan is no longer the ignorant boy he used to be. He respects and is grateful from the bottom of his heart to his elders who really care about him.

Li Zexuan rubbed Lan'er's head, and continued Tie Dan's words: "Mom, Tie Dan is learning martial arts. There is no way to do anything without hardship. As the saying goes, the edge of a sword comes from sharpening, and the fragrance of plum blossoms comes from the bitter cold. When the child first practiced martial arts with his master, , also came here this way.”

"The edge of a sword comes from sharpening, and the fragrance of plum blossoms comes from the bitter cold?" Mrs. Li murmured twice, her eyes lit up, and she said in surprise: "Xuan'er, can you still write poetry?"

Mrs. Li was considered a lady when she was young. She had read books, so she was able to taste these two lines of poetry as top-grade poems, so she seemed a little shocked.

"Ahem, this is all what my master said. It's not my doing, it's not my doing..."

Li Zexuan waved his hands awkwardly.

He is just an engineering man who only remembers a few poems. If he is regarded as a literary and elegant poet, what will he do if others ask him to write poems and he cannot write them.

Mrs. Li glanced at her son suspiciously, then turned and left.

… … …

"One and one make one, one and two make two, one and three make three... ... ... ..."

In the afternoon, Li Zexuan found a room in the west courtyard to serve as a classroom and taught elementary school mathematics to Tiedan, while Lan'er also listened.

In his previous life, others were giving lectures to him. Now it was his turn to give lectures to others. This feeling was quite new, even though the only ones listening were two little kids.

There is no blackboard or chalk, and Li Zexuan is still a little uncomfortable. He could only use the two elementary mathematics books he copied in the morning, and gave each of them one copy, and then explained each knowledge point to them. Of course, this book only contained the most basic knowledge of addition, subtraction, multiplication and division.

In fact, as early as the Spring and Autumn Period and the Warring States Period, there were multiplication formulas, which were called "Nine-Nine Songs" at that time. The original Jiu-Nine Songs started with "Nine Nine Eighty One" and ended with "Two Two as Four", a total of 36 sentences. Formula.

However, in order to enable Tiedan to better accept other mathematical knowledge in the future, Li Zexuan asked him to learn modern multiplication tables and Arabic numerals.

"Master, what kind of writing is this? Why do we use this kind of writing to count?"

"This is the Dashi character. Using it to count will be much more convenient in actual calculations. Once you get used to it, you will understand its benefits."

"oh."

At this time, Xiao He's voice came from outside the door: "Master, a white-clothed young man named Wang came outside the house and said he wanted to negotiate a big deal with you."

Li Zexuan was a little confused, why would someone come to him to discuss business? But now is not the time to think so much. He said to Lan'er and Tiedan: "You just memorize the multiplication table here and learn the numbers of the big food. I will check it when I come back."

"Oh!" Lan'er replied with a pouted mouth. She was still angry with Li Zexuan about what happened in the morning.

"Yes, Master." Tiedan was more honest.

Li Zexuan nodded, opened the door and went out. He walked with Xiao He and asked, "Xiao He, what kind of business does that person want to discuss with me?"

Xiao He said angrily: "Master, that man didn't say anything. There was a woman holding a sword next to him. The woman's face was cold, as if she wanted to kill someone. Master, you must be careful!"

Li Zexuan became even more confused when he heard this. Among the people he knew, there was no such a strange combination.

"Well, then let's go meet them. This is at the foot of the Emperor, and your young master is still a baron personally made by His Majesty. Are you still worried that that woman will eat your young master?"

Since he couldn't figure it out, Li Zexuan stopped thinking about it and wanted to meet that person in person, so that he would know everything.

Xiao He lowered his head and thought, yes, the young master is now a baron and can be regarded as a member of the court. Not everyone dares to do harm to the young master. When the little girl thought of this, she stopped worrying about Li Zexuan and went to the front yard with Li Zexuan.

… … …

The edge of a sword comes from sharpening, and the fragrance of plum blossoms comes from the bitter cold. There are three theories about the origin of these two lines of poetry. One is that it was written by Du Fu, the other is that it was written by Lu You, and the third is that it was written by Zhu Xi. Anyway, these two lines of poetry should not have existed in the early years of Zhenguan.

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