词典释义：
释义
〈非正式〉面对某种困难，面临某种困境
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they play better when they're up against it .面对困难时，他们打得更好。
双语例句
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You'll be up against it if you don't pass the test.
如果你考试不及格的话，你将面临困难。
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You will be up against it if you don't pass the test.
这次考试如果不及格，你的麻烦就大了。
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As long as there's evil, good will rise up against it.
只要有邪恶的存在，正义就会雄起与之对抗。
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When you're reduced to 10-men here on this pitch then you're up against it.
在这块场地减员到10人，那就是被逼到墙角。
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Frightened people make a rush for a door and pile up against it. so that no one get out.
敢于战斗的人们能很快找到一条通道，这样就避免了拥挤，堆积，那样的话，其实是一个人也出不去。