词典释义：
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Listen, there's no salary. No. I was not aware of that. My circumstances have changed some and I need to be certain that I'll be... All right. Okay.
实习期没有工资。没有。我并不知道没有工资，现在我的处境变了，我需要确定我能... 好的。
《The Pursuit of Happyness》《当幸福来敲门》
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Yeah, and you with it. We're not having this conversation. Eliminating the stone is the only way to be certain that Thanos can't get it. That's too high a price. Only you have the power to pay it.
你也会随之被摧毁。这不是个选择。只有销毁宝石才能确保灭霸拿不到它。那代价太高了。只有你有能力付出这代价。
《Avengers: Infinity War》《复仇者联盟3：无限战争》
双语例句
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He had to be certain. There could be no room for doubt.
他必须确定无误。不能有任何的犹疑。
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If you want to be certain of getting a ticket, book now.
要想有把握买到票，现在就得预订。
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She would break my biscuits in half to be certain I wouldn't choke.
她会把我的饼干掰成两半，以确保我不会噎着。
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To be certain that Rollie was talented, Mr. Ross ran a bright chimp through the same process and compared the results.
罗斯先生为了确认罗妮的确聪明，他对一只聪明的黑猩猩进行了相同的研究，并比较了研究结果。
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China needs to be certain of having a nuclear second strike.
中国需明确无疑地拥有二次核打击能力。