- the shell game[singular]
a game in which three cups are moved around, and players must guess which is the one with a small object under it 果壳猜测游戏（移动三个杯子，参加者须猜测哪个杯子扣着小物体） - [countable]
an act by an organization or a politician that tricks people in a clever way （机构或政客的）骗局，骗术