They had to play their best card at last.

最后他们不得不打出王牌.

《简明英汉词典》

He had to play his best card to convince his boss to give him the project.

他不得不尽全力说服老板,把项目给他做.

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In the court action, Alain played his best card by calling a surprise witness.

在法庭诉讼中, 阿兰请出一位意想不到的证人,使他有了胜诉的把握.

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In general it is best card printing and membership card before making inspection and reinforcement.

凡是最坏在制卡和会员卡制作之后举行查抄和补不弱.

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