What does mahjong four thousand mean?

Mahjong is the language in mahjong. Mahjong, a four-player domino game, is a game play and entertainment equipment invented by ancient people in China, with 144 pieces, including disks, flowers and ordinal numbers, which originated in China. Mahjong is popular in China cultural circle, and it is commonly known as sparrow in Guangdong, Hong Kong and Macao and southern Fujian. Generally, patterns or characters are carved on small squares made of bamboo, bones or plastic, and the corresponding five standard states are eating, touching, playing, listening and playing. Mahjong is an ancient cultural and recreational activity summarized by China people in their long-term social practice, which contains rich traditional and excellent culture of China.