【下位】 put (a card or piece) into play during a game, or act strategically as if in a card game; "He is playing his cards close to his chest"; "The Democrats still have some cards to play before they will concede the electoral victory" ゲームで(トランプまたは駒を)働いている状態にする、あるいは、トランプゲームのように戦略的に行動する。
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