is supposed to 意思是“应该；被期望”。

is supposed to

应该；被期望

短语：

This is supposed to do 这是应该做的

is supposed to do sth 应该做什么事情

sb is supposed to win 某人被期望赢

sb is supposed to know the law. 某人应该懂得法律。

sb is supposed to arrive anytime now. 某人应该随时会到。

例句：

1.This is not how retirement is supposed to be.

这可不是退休生活应该有的。

2.However, the interface displays only part of the information that the client software possesses—the part that the player is supposed to see.

然而，界面仅仅展示了客户端软件所拥有的信息的一部分---这部分是设计者期望玩家看到的。