What is the ancient meaning of "Nai"

"Nai" has nine ancient meanings:

1, used as a pronoun, meaning: you (de); You (of).

Source: Song Luyou's "Shizi": "I don't forget the family sacrifice."

Interpretation: Don't forget to tell your father the good news when holding a family sacrifice!

2, used as a pronoun, meaning: this; This way.

Source: Mencius in the Warring States Period, "The Things of Qi Huan Jinwen": "I am doing it, but I am asking, not my heart."

Interpretation: I act according to my own psychology. After doing it, I came back to ask for my heart, but people in China don't understand my heart.

3, used as a pronoun, indicating judgment, yes.

Source: Battle of Red Cliffs by Sima Guang in the Northern Song Dynasty: "If things are not good, this is heaven."

Interpretation: things can't succeed, it's providence!

4, used as an adverb, meaning: unexpected; cheese

Source: Tao Yuanming's "Peach Blossom Garden" in the Eastern Jin Dynasty: "I don't know that there are Han people, no matter Wei and Jin Dynasties."

Interpretation: They didn't even know about the Han Dynasty, let alone the Wei and Jin Dynasties.

5, used as an adverb, meaning: only.

Source: Tang Hanyu's Sacrifice to Twelve Lang Wen: "I heard that on the seventh day of your mourning, I was able to express my sincere condolences."

Interpretation: On the seventh day after hearing the news of his death, you can hold back your grief and pour out your feelings.

6. Used as an adverb, meaning: only; Only.

Source: The Battle of Gaixia by Sima Qian in the Western Han Dynasty: "To Dongcheng, there are twenty-eight riders."

Interpretation: In Dongcheng, there are only 28 cavalry left.

7. Used as an adverb, meaning: once again.

Source: Pre-Qin Zhuangzi's "My Skillful Hand Releases Cows": "The dance of mulberry trees is the first meeting of classics."

Interpretation: It is in harmony with the rhythm of dance music Sanglin (Tang Shi) and music Jingshou (Yao Shi).

8. Used as an adverb, meaning: even.

Source: Battle of Red Cliffs by Sima Guang in the Northern Song Dynasty: "There are thousands of warships in Meng Chong."

Interpretation: There are thousands of large warships and sailboats alone.

9. Used as a conjunction, meaning: So; Just ...

Source: Fan Zhongyan's "Yueyang Tower" in the Northern Song Dynasty: "It is to rebuild Yueyang Tower and increase its old system."

Commentary: So the Yueyang Tower was rebuilt, and the original scale was expanded, and the poems of celebrities and contemporary people in the Tang Dynasty were engraved on it.