Well, it can be played indoors or outdoors and it can be played as a singles or doubles game.

它可以在室内或室外进行，可以作为单打或双打比赛进行。

" He was playing a double game, eh? " " I'd stake my reputation on it, m'Lord." His reputation!

“他在玩双人游戏，嗯？” “我愿意拿我的名誉做赌注，大人。”他的名声！

On the one hand, he accused the US and its allies of playing a double game in Syria attacking some terrorist groups while siding with others for their own ends.

他一方面指责美国和盟国在叙利亚问题上上演“双戏”，既打击极端组织，又为了一己私利而支持对方。