a game of hopscotch的用法和样例：
- If it's a game of skill, you'll do me down.
- The children had a game of climbing the wall and then jumping off.
- Here visitors can chat over tea or enjoy a game of chess.
- There are six of us two too many for a game of whist.
- They all want to watch a game of football.
- He tried to interest the guest in a game of tennis.