Yet the loss of formality has its down side.
然而，失礼也有其不利的一面。
The unique feature of this book is its down-to-earth practicality.
这本书所独有的特点就是其讲求实际的实用性。
But this amazing gift had its down-side. He found it difficult to ignore insignificant events.
但是这个令人惊奇的天赋也有它不好的一面，他发现他对于一些无关紧要的事情也不能忽略掉。
Its market share is believed to be down to 37% from a 2015 high of 54%.
据信，其市场份额已从2015年的高点54%下降至37%。
The hyperbolic surface, which has so-called negative curvature because its surface curves up and down at the same time, like a saddle.
双曲曲面，即通常所称的负曲率，因为它的表面同时向上和向下弯曲，就像一个马鞍。
The painting started to drop down in its frame and was shredded by some blades hidden in the bottom of the frame.
那幅画从框中脱落掉下来，被藏在画框底部的刀片切成了碎片。
The structure of the backbone shows, however, that Ambulocetus swam like modern whales by moving the rear portion of its body up and down, even though a fluke was missing.
不过，走鲸的脊椎结构显示，即使没有尾片，它们在水中同样能够像现代鲸鱼那样通过身体后面部分的上下摆动来游动。
When the front bird moves its wings up and down, the resulting force of the air lifts the next one.
当前面的鸟上下移动它的翅膀时，产生的空气力会带动下一只鸟。
Over the past few months, it has been working hard, with the help of media consultants, to play down its cosy reputation in favour of something more academic and serious.
在过去的几个月里，在媒体顾问的帮助下，它一直在努力工作，以淡化其轻松愉快的印象，打造更学术化、更严肃的形象。
The sun, is also variable over a long term: its heat output goes up and down in cycles, the latest trend being downward.
太阳在长期内也是变化的：它的热量输出在周期中有上升，也有下降，最近的趋势是下降。
The avalanche forced its way down the mountain, crushing everything in its path.
雪崩冲下山来，摧毁了沿途的一切。
The horse reared, throwing its rider and knocking down a youth standing beside it.
这匹马向后一仰，摔下骑手并撞倒站在它旁边的一个年轻人。
Only by keeping down costs will America maintain its competitive advantage over other countries.
只有通过保持低成本美国才能保持对其他国家的竞争优势。
It has taken until now to pin down its exact location.
一直到现在才确定了它的准确位置。
The threat of global warming will eventually force the U.S. to slow down its energy consumption.
全球变暖的威胁将最终迫使美国减慢其能源消耗。
Over time, the protein in the eggshell breaks down into its constituent amino acids.
随着时间的推移,蛋壳中的蛋白质分解成其构成成分氨基酸。
The company closed down operations and began liquidating its assets in January.
这家公司在1月份停止运作，开始把其资产折换成现金。
The bull put its head down and charged.
公牛低下头猛冲过来。
The Fair Trade Commission has of late been flexing its muscles, cracking down on cases of corruption.
公平交易委员会最近一展雄威，对腐败案件进行了严惩。
The procession made its way down the hill.
队伍走下山了。
The company is running down its sales force.
公司正在削减销售人员。
The government is winding down its nuclear programme.
政府在逐步取消核计划。
One factory has had to scale down its workforce from six hundred to only six.
一家工厂已不得不把工人总数从600裁减到仅剩6人。
There is no cure for the disease, although drugs can slow down its rate of development.
这种病没法治，尽管药物可以延缓病情的发展。
The car bumped its way slowly down the drive.
汽车沿车道缓慢地颠簸行进。
As a means of transportation, the river carried various vessels up and down its length.
作为一种运输工具，这条河上下运载着各种各样的船只。
The Eaglet bent down its head to hide a smile: some of the other birds tittered audibly.
小鹰低下头，藏住笑容：其他鸟都笑出声来。
When it grunted again, so violently, that she looked down into its face in some alarm.
当它又猛烈地咕噜了一声时，她惊恐地低头看了看它的脸。
The car mistakenly thought that the laser beam was in its way and slowed down or changed the direction.
汽车误以为激光束挡住了它的路，于是减速或改变了方向。
The car mistakenly thought that the laser beam was in its way and slowed down or changed the direction.
汽车误以为激光束挡住了它的路，于是减速或改变了方向。
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