ante

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The Iranian government has dangerously upped the nuclear ante in diplomacy and still faces resilient protesters at home.
伊朗政府对外采取危险举动，增加核计划赌注，对内仍面临着顽强的抗议者。
The school district has long struggled to close the gap, but “the promise upped the ante”, says Michael Rice, the new superintendent.
学区长久以来努力缩小这种差距，但是正如新任负责人麦克尔·莱斯所说，“这个承诺提高了赌注”。
"You've always had disgruntled employees who have left their job and said bad things about an employer," she adds. "But when you do it on social media, you really up the ante.
“总是会有一些心怀不满的雇员在离职时控诉雇主的不是，”她补充道，“但是当你通过公众媒体诉说这些不满时，你也在拿你的未来做赌注。”

To take part in a card game such as poker, my friend would have to ante up.
The Elder Brother has obviously upped the ante in the mask's overvaluation of virginity.
很显然,大哥提高了面具中高估贞操的赌注。
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The Tiguas never did ante up for that trip, but some other tribes apparently did.
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How does one possible manage to up the ante on electronic attention deficit disorder?
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an amount of money that each person must risk in order to be part of a game that involves gambling

In card games such as poker, the ante is the sum of money staked by the players before the cards are dealt.
If you up the ante or raise the ante, you increase your demands when you are in dispute or fighting for something.