Are there any idioms or proverbs related to Four?

All four are empty, fragmented, stable, suburban, multi-base, embattled and four-war places.

Four books, five classics, four seas, one family, four seas, four rivers, four lakes, four seas, four winds, four winds, four friends, four continents, four seas, three places, three places, four obstacles, four times, four times.

1. Eat four ounces of birds instead of half a catty of animals. 2. three people lean against each other, and the pot falls. 3. When people reach forty-five, they are mountain tigers. 4. First month mud, February Artemisia, March and April firewood.

On April 5 1 day, it rained happily, but on April 2, it rained fruitlessly. 6. There was lightning and thunder, and it rained continuously on April 9. 7. It rains in April and scorches the earth in May. In June, the fire shop. 8. The third day of the third year, the full moon. The 234th time, the moon was dark. 9. It was windy on the vernal equinox.