Mid-Autumn Festival implies a good idiom.

Good idioms for Mid-Autumn Festival include happy reunion, spiritual harmony, harmony and so on.

More idioms and explanations are as follows:

1. Happy Reunion: Mid-Autumn Festival is a time for family reunion, and family members get together to celebrate the festival, which symbolizes reunion and happiness. The idiom "happy reunion" has the joy of the whole family.

2. Spiritual harmony: Mid-Autumn Festival is a time when people miss each other and express their feelings, symbolizing family friendship. The idiom "harmony between souls" has a relationship between souls.

3. Harmony: Mid-Autumn Festival is a time for people to pass on culture and warmth, symbolizing social harmony and friendship. Harmonious idioms include harmony, harmony but difference.

4. Good wishes: The Mid-Autumn Festival is a time when people wish each other happiness, symbolizing good wishes and blessings. Idioms of good wishes include Millennium Covenant and happiness.

5. Wisdom: Mid-Autumn Festival is a time for people to reflect on the past and look forward to the future, symbolizing wisdom and strength. The idiom of wisdom and strength is a man of great learning and talent.

6. Peace and Unity: The Mid-Autumn Festival is a time for people to pursue peace and unity, symbolizing social stability and harmony. The idiom of peaceful reunification includes unity of mind and unity of thought.

7. Enjoy food: Mid-Autumn Festival is a time for people to taste food and enjoy life, symbolizing harvest and happiness. The idiom of food and enjoyment is: the flowers are full and the moon is full, and the wine is not afraid of the alley.

8. Sacrifice Thanksgiving: Mid-Autumn Festival is a day for people to worship their ancestors for thanksgiving, symbolizing admiration and gratitude. The idioms of offering sacrifices to gratitude include gratitude and kindness, and repaying kindness with kindness.

9. Traditional culture: Mid-Autumn Festival is an important festival of people's traditional culture, symbolizing inheritance and promotion. Idioms in traditional culture carry forward the past and forge ahead.

10. Wishing wishes: Mid-Autumn Festival is a time for people to pray and make wishes, symbolizing hope and prayer. The idioms of blessing include "get what you want" and "be happy from now on".

Summary: Good idioms of Mid-Autumn Festival include: happy reunion, spiritual harmony, harmony, good wishes, wisdom and strength, peace and unity, food and enjoyment, offering sacrifices to give thanks, traditional culture, and praying for blessings. These idioms reflect the rich meaning of Mid-Autumn Festival and people's yearning for happiness, unity, harmony and beauty.