What idioms have the same beginning and end?

It's hard to prevent, it's minimal, it's difficult day after day, and it's striving for perfection.

1. Hard to stop

Pronunciation: [fáng büshèng fáng]

Note: prevention: preparedness; Victory: all. Describe the defense.

Source: Qing Wu Ren Jian's "The Present Situation of Wonders Witnessed in Twenty Years" 47: "This kind of villain; This is really hard to prevent. "

2. Very few

pronounce

Note: There is little or no description.

Source: Yang Qinglun's "Du Shi Jing Quan" eyebrows Jiang Wei Liu Yun: "I don't know how to speak my own language when writing wonderful skills; Very few. "

Step 3: Day after day.

Pronunciation: [rù fù y and rù]

Note: Answer: Again, again. Day after day. Metaphor for a long time. It also describes the passage of time in vain.

Source: "A Brief History of Emperor Guangwu of Han Dynasty": "The world is heavy, and I am often afraid that I can't. Day after day, how dare I be ten years old? "

This is very difficult.

Pronunciation: [nán HQínán]

Note: it is very difficult to express.

Sentence-making: a thing that has always been considered difficult was completely cracked in a sudden incident.

progressive

Pronunciation: [j and ng y and qi ú j and ng]

Note: essence: perfect, good; Benefits: more. Okay, much better.

Source: The Analects of Confucius Learn: The Book of Songs says:' If you are keen; As sharp as a mill; what's up "

Comrade Bethune is a doctor. He takes medical treatment as his profession and strives for perfection in technology. In the medical system of the Eighth Route Army, his medical skills are very good.