难以

However, the complexities of both space and time are too higher to realistic.

然而这些存储结构的空间复杂性和时间复杂性都很高，难以在实际中使用。

Water supply system is a complicatedly dynamic nonlinear system, it is difficult to simulate by using one or several explicit functions in pipe networks.

由于供水系统是非常复杂的动态非线性系统，在实际管网的运行中，很难以一个或几个统一的显式函数关系描述管网的工况。

Now there are some problems such as scattering of technological resources, mass of data, high data redundancy, poor data consistency and long cycle of efficient information formation, so sufficient basis and comportment can not be provided for management departments in emergency case and general decision-making.

现阶段存在着技术资源分散、数据信息量大、冗余度高、数据的一致性难以保证以及有效信息形成周期长等问题，不能够为路局管理部门在应急处理和常规决策中提供依据和支持。

From the angle of functionally income distribution, in developed modern capitalism production system, with the promotion of organic composition of capital, production departments such as industrial manufacturers are difficult to produce high profit.

从功能性收入分配的视角来看，在成熟的现代资本主义生产体系中，随着资本有机构成的提高，工业制造等实业部门难以生产出高额利润；从规模性收入分配的视角来看，美国收入分配不平等的程度加深，严重地制约了消费需求的进一步提高，生产与需求之间的矛盾日益明显。

Being positive, social rights are said to be problematic in the following ways: they are inevitably asserted to scarce goods and therefore do not possess the property of compossibility; they are highly indeterminate and not easily ascertainable; they cannot claim the property of universality; they do not entail correlative obligations; their realization necessitates a redistribution of resources that violates rights of legitimate property-holders; and they involve an erroneous conception of justice.

反对者则认为社会权是一种「积极」权利而不应予以保障，因其违背了古典自由主义对权利与正义之「消极」理解及对国家角色之认定。批评者指出，社会权是一种施加於国家及第三人某些积极义务之权利，而此种积极权利的问题在於：请求稀少资源；内容、程度及实现与否难以判定；不具普遍性；所隐含的权利义务关系不够明确；与私产权相冲突；以矫治后果或事态为目的。

You feel like you're on the edge of something that is hard to comprehend.

你会感觉好像站在一种难以理解的东西的边缘。

We can say that Dalian is non-comparable with many other Chinese cities in its importance and comprehensiveness.

可以这样说，大连工业的"重"和"全"字，是改革开放前中国许多城市难以比拟的。

However, the compressed video data is highly sensitivity to error code in the transmission.

但是，无论在有线网络还是在无线网络的信道中，误码的产生、数据的丢失总是难以避免的。

Eg: One who has a compulsive and unrelenting need to work.

工作狂难以抑制的和不松懈的需要工作的人。

This generation of children may exhibit rather difficult moods and, according to adult standards, seem to act compulsively.

你这一代人在孩提时代可能会有相当难以相处的情绪，而且按成人的标准而言会比较冲动。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷