It's still extremely difficult to get tenure.
要取得终身职位仍然极其困难。
She found it extremely difficult to get a job.
她发觉找工作极其困难。
Reconstructing the climate changes of the past is extremely difficult, because systematic weather observations began only a few centuries ago, in Europe and North America.
重建过去的气候变化是极其困难的，因为在欧洲和北美，几个世纪前才开始系统的天气观测。
There may have been many spies and intelligence officers during the Napoleonic Wars, but it is usually extremely difficult to find the material they actually provided or worked on.
在拿破仑战争时期，可能有许多间谍和情报军官，但是通常极难找到他们实际提供或者工作的材料。
This mathematics problem is extremely difficult.
这道数学题难度很大。
The process was extremely difficult and expensive, says Webber, but the technology has moved on.
韦伯说，这个过程极其困难和昂贵，但技术已经进步了。
For all the feelings readers attach to stories, literature is a numbers game, and the test of time is extremely difficult to pass.
论及读者对这些故事的所有感受，文学是一个数字游戏，但很难经受住时间的考验。
It's true that your father will find it extremely difficult to get out of the habit of smoking, but he should try his best for health's sake.
确实，要你父亲改掉吸烟的习惯很难，但是为了健康，他应该尽力戒除。
The old man was extremely difficult to get along with.
这个老人极难相与。
Benchmarking is extremely difficult.
基准测试是极其困难的。
Emotions are extremely difficult to control.
控制情绪是极其困难的。
Coming back from Vietnam was extremely difficult.
从越南回来是极其困难的。
Changing eating patterns can be extremely difficult.
改变饮食方式可以是极其困难的。
It's also extremely difficult to measure creativity.
另外，测量创造力的大小本身也是非常困难的。
This challenge is extremely difficult challenge.
这个挑战极其困难。
Finding such a task, however, is extremely difficult.
不过找到这样一个任务是非常困难的。
It is extremely difficult and expensive to treat.
它的治疗极其困难，费用高昂。
So it's extremely difficult to ride on these northern roads.
所以在这些北部道路上行驶是极其困难的。
"I find it extremely difficult to walk away," Cash says.
“我觉得自己很难离开电脑，”卡西说，“对自己说'别这样，去花园走走。”'
Displacing such a formidable machine will be extremely difficult.
将这样一部强大的机器移走将是极其困难的。
It may be extremely difficult to take any action to help yourself.
采取任何行动帮助自己可能都是极端困难的事。
They were extremely difficult to forge and the penalties were heavy.
它们极难伪造，且造假的刑罚严厉。
He told the Sun: 'It is extremely difficult but we are together, yes.
他告诉《太阳报》：“真的是困难重重，但是我们确实在一起了。”
It is extremely difficult to predict when or how the bubble will burst.
预测泡沫什么时候，或者怎么样才会破，非常困难。
Then they went on with of the peak.The climb was an extremely difficult one.
然后他们继续向顶峰攀登，这是一次极难的攀登。
Coming back from such a large setback was extremely difficult to say the least.
从这么大的挫折中恢复过来是相当困难的。
We found that synthesizing accurate DNA in large pieces was extremely difficult.
大片段精确合成DNA是非常困难的。
We found that synthesizing accurate DNA in large pieces was extremely difficult.
大片段精确合成DNA是非常困难的。
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