The problem of hunger worldwide is a hard nut to crack. I'm afraid that scientists need to put in more efforts.
全球性的饥饿问题是个棘手的问题，恐怕科学家们需要付出更多的努力。
But to crack our oil addiction, we need to not only challenge the Arctic drilling, but also reduce our use of oil.
但为了减少我们对石油的依赖，我们不仅需要打击北极采油行动，还要减少我们自己对石油的使用。
There is fortunately no need for new regulations to crack down on such irresponsible lending practices.
幸运的是，不需要用新规定来制裁这种不负责任的贷款行为。
To crack difficult lives, we need to discover what is really wrong in those lives and seek to transform them.
要摆脱困难生活，我们需要发掘这些生活究竟哪些方面出了问题，然后设法做出改变。
As the fleet ages, there's an increasing need for embedded wireless strain sensors capable of detecting and tracking accumulated strains — "precursors" to crack initiation, according to the official.
随着机群服役时间的增加，对嵌入式无线应力传感器的需求也在不断的增加，通过这些传感器对应力积累进行探测和跟踪，避免飞机机体发生可能的疲劳和破裂。
If you need an excuse to crack open a bottle tonight, this could be the perfect excuse.
如果今晚你想找个借口开瓶酒，这是再好不过的理由。
Pointing out absurdities or making jokes is a mature and healthy way to ease tension, so there's no need to feel bad the next time you feel the urge to crack a joke at an inappropriate time.
指出荒唐或开玩笑是一个减轻紧张的成熟、健康的方法，所以在不适当时候有要说笑话的冲动时，没有必要感觉不好。
Valley provides various types of rock fracture such as crack crag in ice hole and cliff and assisted AIDS as well as different angles - for those who need to climb of any kind of way.
谷地堤供了各种攀岩类型：裂隙、冰穴岩壁、悬岩以及人工辅助物和不同的攀登角度——攀岩者需要的任何一种攀岩方式。
WDL is a certain steel which has lower sensitivity to weld cold crack and need not or a little warm-up before weld.
国产WDL钢种是一种对焊接冷裂纹敏感性低、焊接前不要预热或稍加预热而不产生焊接冷裂纹的钢板。
In order to test the crack of the stroke oar leafs crossbeam of a certain helicopter, we need to design a special transverse wave probe.
为了检测某型直升机尾桨叶大梁的裂纹，需要设计专用横波探头。
He is really a hard nut to crack. You need to be more patient.
他是一个很难对付的人，你需要更多的耐心。
A space backdrop knock bricks game, you need to take advantage of the ball fast crack bricks above.
一个太空背景下的敲砖块游戏，您需要利用小球快速的把上面的砖块全部敲碎。
If you don't need to get up at the crack of dawn, turn off the alarm clock.
如果你不需要破晓起床，那么关闭闹钟。
If you don't need to get up at the crack of dawn, turn off the alarm clock.
如果你不需要破晓起床，那么就关掉闹钟。
If you don't need to get up at the crack of dawn, turn off the alarm clock.
如果你不需要破晓起床，那么就关掉闹钟。
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