准备在空地上划一块正方形作为游戏场地。准备四张白纸,由担任裁判的小朋友在四张白纸上各写一个字,组成一个成语。然后,四个参加游戏的小朋友面对面分别站在场地的四个角上.裁判将四张纸用大头针分别别在 Ready to draw a square on the open ground as a game venue. Prepare four pieces of white paper, the referee children write a word on each of the four white sheets to form an idiom. Then, the four children who participated in the game stood face to face on the four corners of the court, respectively, and referees placed four sheets of paper with pins respectively