这支曲子节奏变化多，难度很大。
开球难度较大时，选择一根用起来能不给你添乱的高尔夫球杆。
With a difficult tee shot, select a club which will keep you short of the trouble.
这些决定加大了各州对某些网购商品征收销售税的难度。
The decisions made it more difficult for states to collect sales tax on certain online purchases.
我们低估了科学家与各种各样的听众进行有效交流的难度。
We underestimate how difficult it is for scientists to communicate effectively with a diversity of audiences.
对于本应健康正常的孩子，熬夜会导致更高的学习难度和注意力问题。
Just staying up late can cause increased academic difficulty and attention problems for otherwise healthy while functioning kids.
学生对考试形式的偏好也各不相同，这通常取决于科目和课程的难度。
Students' test-form preferences vary, too, often depending on the subject and course difficulty.
随着学习难度的加大，具有成长型思维模式的学生展现出来更强的毅力。
As the work became more difficult, the students with a growth mind-set showed greater persistence.
但随着作业难度的加大，具有成长型思维模式的学生表现出了更强的毅力。
But as the work became more difficult, the students with a growth mind-set showed greater persistence.
因此，拉维做了另一个实验，旨在观察这种在难度增加时能够更好地集中注意力的能力。
So Lavie did another experiment, designed to look at this ability to concentrate better in the face of increased difficulty.
一旦海豚发现了按这个新踏板的结果，当测试难度非常高时，它就会很频繁地按这个踏板。
Once the dolphin figured out the result of pressing this new paddle, it did choose it frequently when the trial was difficult.
研究人员注意到，海豚在确定答案时会很着急地按下踏板，但在难度高的测验中则表现出犹豫。
The researcher noted that the dolphin is quite eager to press the paddle when it was sure of the answer, but exhibited hesitation during difficult trials.
这些公园已经吸引了专业游客，包括来攀登技术难度高的山峰的登山者，以及被当地河流中的鲑鱼和鳟鱼吸引的渔民。
The parks already attract specialist visitors, including mountaineers, who come to climb the technically difficult peaks, and fishermen, lured by the salmon and trout in the region's rivers.
滑冰运动员技巧难度大者获得额外加分。
尽管这是个很重要的材料，但我认为它的难度太大，不适合我们的学生。
While this is very important material I think it's probably pitched at too high a level for our students.
所有课程均用德语教授，难度很大，但历史课最难学。
All were in German and difficult, but the history class was the worst.
在这两个物理问题中，玛莎刚刚完成了难度较小的那一个。
Of the two physics problems, Martha just finished the less difficult one.
为了减轻施工难度，工人们可以用湿粘土或牛的脂肪来润滑道路。
To make the work easier, workers may have lubricated the paths either with wet clay or with the fat from cattle.
如果lgA 指数突然下降到某一水平以下，训练就会降低难度或完全取消。
If lgA levels suddenly fall below a certain level, training is eased or dropped altogether.
专家表示，将探测器送入轨道的难度堪比于从巴黎击出一个小球，然后让它落在东京的一个洞里。
Experts said the difficulty of sending the probe into orbit was equal to hitting a small ball from Paris and landing it in a hole in Tokyo.
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