The "bad" in "Good and Bad" refers to foxtail grass.

Basic analysis:

There are good guys and bad guys, mixed together. Weed: Setaria, very similar to millet, often mixed with grass seedlings.

Origin of the idiom:

Ji Yun (Qing Dynasty) "Yuewei Thatched Cottage Notes": "Among us, there are good and ugly; just like within human beings, there are good and bad."

Chapter 56 of Li Baojia (Qing Dynasty)'s "Record of the Appearance of Officialdom": "At that time, donation regulations were widely opened, and the candidates in various provinces were very crowded, with a mixture of good and bad, good and bad."

Wenkang (Qing Dynasty) "The Legend of Heroes of Sons and Daughters": "It's like all living beings are equally ignorant and virtuous, just like the good and bad grains are uneven."

"Flowers in the Mirror" Chapter 68: "At this time, I am in the west palace of the country. Although the troubles have been eliminated, there are still many people in the clan, good and bad, and they often have different ambitions and cause trouble. "

Zheng Guanying's "Warning Words in the Prosperity-Xunsu": "As for the merchants working in overseas trade, there are no less than thousands. Thousands of people are mixed in all directions, and the good and the bad are mixed.”

Related examples:

1. If the characters on this list are somewhat mixed in quality, then they can at least help you grow your mind.

2. The current economy is still sluggish, the unemployment rate is high, and there are a large number of talents waiting for employment in the talent market, with both good and bad talents.

3. Both good and bad characters are mixed, and I am afraid that something will happen to me.

4. The quality of these foreclosure items varies, so be careful when selecting them.

5. Correct aesthetics is a beacon when we read in a world of mixed novels.

6. However, China’s innovation market is now mixed with good and bad.

7. Temporarily recruited manpower is bound to be mixed, and management must be strengthened.

8. This group of students is mixed, and they must be taught in accordance with their aptitude.

9. The remaining market is mixed. They came from Shaolin together, but their martial arts skills vary greatly.

10. There are many good and bad people in society, so be especially careful when making friends.