那是一次难产。
当你高价买入低价卖出时，即使你带着极大的热情做它，也很难产生收益的。
When you buy high and sell low, it's really hard to generate returns, even if you do it with great enthusiasm.
他们还在难产的时候使用产钳。
因此，行星就很难产生大气层。
但这很难产生巨大的惊喜。
他们不会对死于难产的妇女进行尸体检查。
They don't do autopsies on women who die in childbirth here.
许多妇女都死在难产。
难产，接生婆束手无策，需要马上去医院，把孩子生下来。
The pregnancy was difficult, and the woman needed to go to the hospital to have her baby.
因为母亲难产，我生下来便头部受伤，面貌丑陋。
I came into this world with a bashed head and deformed features because of the hard labor my mother had gone through.
在骨盆问题引起的难产前，无效的宫缩应该加以纠正。
Inefficient uterine action should be corrected before attributing dystocia to a pelvic problem.
冬天里许许多多的妇女因为得不到及时的救治而死于难产。
In winter greater Numbers of women die in childbirth because they can't get help in time.
让步于这种负面感受使得很难产生决定行动的计划和坚持到底的动力。
Giving way to this kind of negative perception makes it extremely difficult to come up with a plan of action or the motivation to follow through.
因此，在古代中国、印度、埃及和巴比伦，科学始终处于难产状态。
Thus science suffered still-births in the cultures of ancient China, India, Egypt and Babylonia.
这使得很难产生了解另一轮经验的热情，并且用作放弃收集更多数据的论点。
This makes it hard to generate enthusiasm for another round of lessons learned, and has been used as an argument to forego collecting any more data.
这些人都经历过难产，也就意味着她们的胎儿过大或者胎位不正不能从产道生产。
All had suffered from obstructed labor, meaning that their babies were too big or in the wrong position to pass through the birth canal.
一个街垒处在危急状态之前是混乱的，而在危急时刻则纪律严明；危难产生了秩序。
A barricade before the arrival of danger is chaos; in danger, it is discipline itself. Peril produces order.
研究表明，即使在鸟类在其他地方重新栖息下来，他们也比过去更难产卵和育雏。
The study shows that even after birds reestablish themselves elsewhere, they have a harder time laying eggs and rearing chicks than they used to.
不符合特定人群的心理的定位的商品，是很难产生商家所希望的那种心理定律流程。
Does not conform to the specific crowds psychology localization commodity, is very difficult to have that kind of psychological law flow which the business hoped.
女孩还没有成年，妇女因营养不良而生长受限，太小的骨盆使得她们分娩时极易难产。
Girls not fully grown, or women stunted by malnutrition, often have small pelvises that make them prone to obstructed labor.
亨利的第三任妻子简·西摩尔生下一个男性继承人，即爱德华，但很快死于一次难产。
Henry's third wife Jane Seymour provided a male heir, Edward, but died soon after a difficult Labour.
但是家庭压力让他不得不跟他爸爸一样当个医生，接着他就对难产这一问题产生了兴趣。
But family pressure had induced him to follow his father into medicine, and he began to be fascinated by the difficulties of birth.
一些专家认为，当灾难产生潜在长远的影响，在保持逻辑性的同时也要关注情感的变化。
Some experts contend that when a disaster has potentially profound repercussions, we should pay attention to emotions as much as logic.
在分娩的早期发现难产问题的方法是通过产程图，即通过生产的进程图来监测母婴状态。
A simple tool for identifying these problems early in labour is the partograph – a graph of the progress of labour and the maternal and fetal condition.
我们会开始寻找实验证据证明这些固定励磁的存在，尤其是因为在其他材料中很难产生孤波。
We'd like to start looking for experimental evidence that these localized excitations occur, not least because solitons in other materials are hard to generate.
此外，灾民一般不习惯居住在这样刻板的网格状设计环境中，这使他们很难产生社区认同感。
Furthermore, a rigid grid design makes the creation of community identity difficult, as the displaced people are not usually accustomed to living in such a pattern.
此外，灾民一般不习惯居住在这样刻板的网格状设计环境中，这使他们很难产生社区认同感。
Furthermore, a rigid grid design makes the creation of community identity difficult, as the displaced people are not usually accustomed to living in such a pattern.
应用推荐