fair game
n.[U] 可开玩笑(或嘲弄、作弄)的对象

英英释义
a person who is the aim of an attack (especially a victim of ridicule or exploitation) by some hostile person or influence
参考例句
Aunt Sally ;wooden figure used as a target in a throwing-game at fairs,etc
在游乐场等处用作投掷游戏目标的木偶.

fair game
合法的猎物
We have to play fair in these games.
我们必须公平比赛。

He won the game fair and square.
他赢得这次比赛是公平的。
很好办,拿掉一张点数为 4 的牌,然后每人从剩下的四张牌中各取一张,
取到点数大者赢,点数相同时重新抽。
(事实上无须拿掉任何牌,每人赢的概率都是一样的。拿掉一张只是让人感觉到公平点而已)


