UK informal卖淫，做妓女
working as a prostitute
go on the game She went on the game to pay for her drug habit. 她靠卖淫挣钱满足毒瘾。
Was she on the game?
US informal参与非法活动
involved in illegal activities
You know his whole family's on the game - they work with the mob!
She didn't want to know if her brother was on the game or not.
Not everyone is in on the game.
See also: game noun (ACTIVITY)