难以

This new boundary is harder to delimit than the first but is just as real.

这种新疆界比第一种难以划分，但是同样真实。

The antibiotic production waste water composition is complicated which has high concentration of organic substance, deliquescence and the gum body solid, and includes a great deal of matters which are hard to degraded by microorganism or even repress the activities of the microorganism.

抗生素类制药废水成份复杂、有机物、溶解性和胶体性固体浓度高，含有大量微生物难以降解甚至对微生物有抑制作用的物质，可生化性较差。

The standard governed by this principle is vague and hard to demarcate.

该原则确立的标准本身就含糊不清，难以界定。

In light of the often low demonstrability of audit judgments, the purpose of this paper is to examine the implication of collective decisions in the context of internal control evaluation.

鉴於审计人员对内部控制评估之正确性难以证实，本文旨在探讨集体决策对内控评估之影响。

Demosthenes, who was faced with such a formidable problem as stuttering, could do it, I can do it, too.

德摩斯梯尼斯能够战胜像口吃这样难以克服的困难而成为一名伟大的演说家，那么，没有这种烦恼的我也应该能够练出出色的口才。

And they have demotivated people who like to feel that they are working for the public good.

他们建立了一套使得人们更加难以着手做事的复杂的管理结构。

of denature of nucleic acid and the cross reaction of antibodies, were discussed.

而对于各标志在细胞水平的定位关系难以准确判断。

Dendrology is a difficult course for its abundantly abstract and trivial contents. The key to a better teaching result for the course is that teachers should not only master relative concepts, terms and feathers of trees, but also pass them to students by appreciate methods while increasing students' interests to the course. A challenge is that there are numerous terms about trees and most of them are difficult and unfamiliar words to most people.

树木学是一门内容较深奥抽象又纷繁琐碎的学科，老师对概念、术语和树木特征的准确把握并把其恰当传授给学生、激发其对课程的学习兴趣是教好树木学的关键；而有关树木和植物分类学的术语对大多数人而言又是很偏僻、难以掌握的词汇，且其数量巨大。

And an outstretched hard more or less fills the gap between Vega and Deneb.

那织女与天鹅座第一亮星之间的所相隔的距离更是让人难以想象。

Some basic concepts of semiotics, including denotation, connotation and myth, are presented in Chapter Three.

在第二章中，作者罗列了软新闻的特点，以及在翻译中所碰到的一些难以解决的问题。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。