Imposing speed restrictions is easy, but forcing motorists to observe them is trickier.
限制车速容易，但强制司机遵守这些限速规定就难办多了。
柯林斯例句
This is the general rule, but some cases are trickier than others.
以上是一般规则, 但某些案例会比别的案例更为棘手.
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The lower the numbers go, the trickier the problems get.
武器的数量越低, 问题就越复杂.
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Later on, trickier and more emotive subjects are tackled.
随后, 作者们讨论了更微妙、更情绪化的问题.
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Relations with the Kremlin have become trickier of late.
同克里姆林宫的关系近来已经更加棘手.
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Working out the answer is trickier than it looks.
作出回答要比看上去的复杂的多.
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A trickier question is how to tame a techno kid.
?如何驯服对电视和电脑成癖的孩子则需要一些技巧.
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Predation is even trickier to uncover when goods are sold together.
当商品一起销售时,掠夺行为将会更难发现.
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Notification of changes on the server can be a bit trickier.
服务器上的变更通知还是有点小聪明的.
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The FSF sidesteps several trickier issues.
FSF则回避了一些更棘手的问题.
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These will be even trickier to negotiate.
谈判少不了斗智斗勇.
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Keep brainteasers around the house and challenge your children to help you solve the trickier problems.
在家里多训练这种脑筋急转弯的题目,挑战你的孩子帮你解决这种难题.
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Union concessions are also needed to reduce pension and health costs. These will trickier to negotiate.
工会的让步对于降低退休金和医疗开销也是必要的, 虽然这些问题上的谈判更加麻烦.
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Getting the to - do list right is trickier, not least because misguided meddling could make unemployment worse.
掌握正确的“该做什么”更加棘手, 特别是因为由错误思想指引的干预可以使得失业问题加剧.
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Negative curvature is a little trickier to visualize. The most common description is a saddle.
了解负曲率宇宙要动点脑筋, 最常见的描述就是它像马鞍.
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