a game of marbles的用法和样例：
- Let's have a game of marbles.
- If it's a game of skill, you'll do me down.
- I beat Joe good and proper in the game of marbles.
- 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.