1. He plays at cards for high stakes.
   他下很大的赌注玩纸牌。
2. They often indulge in playing cards.
   他们常常沉迷于玩牌。
3. A playing card with this figure.
   带有这种图形的纸牌.
4. He played his cards well.
   他妥善利用机会。
5. Amnesty International often plays the human rights card.
   "国际特赦组织常常打出""人权""这张牌。"

　1个名词解释