I've prepared a game about signs. To play the game, you have to know what my signs mean.

我准备了一个指示的游戏。玩这个游戏，你们必须知道指示的含义。

This sign means: People mustn't dive.

这个标志表示：严禁跳水。

This sign means: People mustn't swim.

这个标志表示：严禁游泳。