What are the four-word idioms that describe the solemnity of rules?

Four-word idioms describing rules and solemnity are: serious, earnest, dignified, serious and earnest.

First, it is serious [y and b ě nzhè ngj and ng]

Interpretation: To describe solemnly, regularly and seriously (sometimes with irony).

Source: "Li Zicheng" Volume I Chapter 26: "I am deliberately awkward; I also know that I am going to be beaten; But solemnly said to Mr. Wang:' I did this problem very accurately; "There's nothing wrong," "

Second, serious [zhengj and ngbā b m: I]

Explanation: zhèng jing.

Source: Chapter 2 of Zhang Tianmin's Entrepreneurship: "When Qin was angry, he took it seriously and solemnly said,' Starting from the War to Resist US Aggression and Aid Korea.' "

Three. honest

Interpretation: solemn and serious. Pretend to be serious Lan Xiao: Cold expression.

Source: Dunhuang Variations; Vimalakīrti preached the scripture: "But see Vimo; Tao looks imposing; Good looks. " Pu Songling's Strange Tales from a Lonely Studio became immortal: "Clean as cucumber".

But when I saw Vimo, I was solemn in appearance and aboveboard in form.

Fourth, be serious [[zhè ngzhê ngqí shi]]

Interpretation: Describe taking things very seriously.

Source: Cao Qingxue Qin's Dream of Red Mansions: "So it is serious; You must enter the door after three days. "

Five, sit tight [zhengj and NW].

Interpretation: Adjust the skirt and sit up straight. Describe a serious, respectful or reserved attitude.

Source: "Historical Records Japanese Biography": "Zhong Song Jia Yijun realized; Hunting (holding a hat) and sitting still. "

Zhong Song was surprised to see this scene. She picked up her hat and tassel, adjusted her skirt and sat upright.