To make extra certain, a police helicopter kept watch from the skies.
为确保万无一失，一架警用直升机一直在空中警戒。
《柯林斯高阶英汉双解学习词典》
She flicked her eyes up to make certain I was suitably impressed...
她抬眼瞟了瞟，以确定我不出所料地被打动了。
《柯林斯高阶英汉双解学习词典》
Better yet, certain individuals make it fun and, when you lose interest, encourage you.
更妙的是, 某些人会把事情变得有趣, 并在你失去兴趣的时候鼓励你.
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Certain that he was going to make good his threat to kill her, she lunged for the gun.
他曾威胁要杀了她，而她确定他这次就要向她索命，便冲上前去拿枪。
《柯林斯高阶英汉双解学习词典》
Before God make people certain of their salvation, He must make them certain of their damnation.
神在使人确信自己必得救恩之前, 先使他们懂得自己因着罪而必遭毁灭的事实.
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...certain features that make a performance good or bad — the timing, the phrasing, and so on.
决定表演好坏的一些特征，如节奏的把握、语调的处理，等等
《柯林斯高阶英汉双解学习词典》
Make certain those you HAs all the pertinent information ago any reprisals or making any arouses.
在实施报复或者在任何行动前都要确定有足够的消息.
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As manufacturer and exporter, we make a certain contribution to the development of perchloric acid.
使公司作为生产商和出口商, 在国内高氯酸的发展中做出了一定的贡献.
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The part begins with these to make readers form certain perceptual knowledge.
本部分由此切入,希望读者对这一机构首先具备一定的感性认识.
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One person emitting a certain frequency can make another also resonate to the same frequency.
一个发射一定频率脑波的人能够使另一个人也共振至相同的频率.
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They need to get four more wins to make certain of getting into the play-offs.
我们还得需要再有四场胜利,才能确保进入季后赛.
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