While the top of the ocean is well studied, its depths are more difficult to explore.
虽然人们对海洋的上层进行了深入研究，但对海洋深处的探索却比较困难。
This stage is significantly more difficult to reverse, requiring specialized counteragent.
这一阶段更是难以逆转，需要专门的对抗剂。
The decisions made it more difficult for states to collect sales tax on certain online purchases.
这些决定加大了各州对某些网购商品征收销售税的难度。
Some immigrant advocates worry that hard financial times make it more difficult for natives to keep jobs.
一些移民拥护者担心，经济困难会令当地人很难保住工作。
Thus, fever would make it more difficult for an infecting bacterium to acquire iron and thus to multiply.
因此，发烧会使感染细菌更难获得铁，从而更难繁殖。
More difficult, in the moment, is discerning precisely how these lean times are affecting society's character.
目前，准确地辨别这些萧条时期如何影响社会特性是更困难的。
Gender norms and social expectations about caregiving may make it more difficult for men to provide care to sick spouses.
关于看护的性别规范及社会期望可能会使男性更难照顾生病的配偶。
The more difficult a child's life circumstances, the more important it is for that child to find joy in his or her classroom.
一个孩子的生活环境越是困难，他或她在课堂上能够找到快乐就越重要。
On the other, the new generation can find it more difficult to advance an argument that typically holds little sway to a nevertiree.
另一方面，新一代可能会发现，提出一种对永不退休的人几乎没有影响力的论点通常会变得更加困难。
Simultaneous interpreting, putting someone's words into another language more or less as they speak, sounds to me like the more difficult.
同声传译在我看来是更加困难的，它需要在说话者说话的时候把他们的话或多或少地翻译成另一种语言。
"Gender norms and social ex-pectations about caregiving may make it more difficult for men to provide care to sick spouses,"Karraker said.
“性别规范和关于照料家人的社会期望可能会使男性更难照顾生病的配偶。”Karraker 说。
Sue, on the other hand, had a more difficult time satisfying her first client and she took several additional months to actually complete the assignment.
另一方面，苏在满足她第一个客户时遇到了更大的困难，她又额外花了几个月的时间才真正完成任务。
Extracting heat from very hot, dry rocks presents a more difficult problem: the rocks must be fractured to permit the circulation of water, and the water must be provided artificially.
从极热的而干燥的岩石中提取热量，暴露出了一个更加困难的问题：必须击碎岩石以保证水的循环，而水必须是人工提供的。
Learning becomes more and more difficult as we get older.
当我们年纪越大，学习就变得越来越困难。
Graduates are finding it more and more difficult to find employment.
毕业生感到找工作越来越难。
The final landing was even more difficult.
最后的着陆则更加困难。
The schoolwork may become more difficult and require greater skills.
学校的功课可能会变得更难，对技能的要求更高。
However, her playing volleyball is more difficult than being an actress.
然而，她打排球比当演员还难。
She adds that you can move your phone to a place that is more difficult to reach.
她补充说，你可以把手机放到更难拿到的地方。
Viruses are much more difficult to identify in postmortem analysis than bacteria are.
在尸检分析中，病毒比细菌更难识别。
As the monkeys get better at completing their tasks, they learn new and more difficult ones.
当猴子完成任务的能力越来越强时，它们就会学习新的、更困难的任务。
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