艰难的

Lisa: I know, it's kind of rough.

我知道，很艰难的。

"This year in December is a listed company may be the most difficult time."

"这是今年12月上市公司可能是最艰难的时刻。"

I have to make a difficult choice.

我必须做一个艰难的选择。

I have to make a diffcult choice.

我必须做一个艰难的选择。

To make one's way arduously:艰难地行进: waded through a boring report.

不耐烦地听一个枯燥的报告 v.tr。

It's going to be the hardest marathon in history.

这将是历史上最艰难的一次马拉松。

Last year was a difficult time for Marek, who suffered an injury and had to undergo an operation .

去年对于扬库洛夫斯基是非常艰难的一年，他受伤病困扰并且不得不经历一次手术。

It will be a hard match against France and we know this.

他说：对战法国将会是一场艰难的比赛，我们都知道这点。

It's a very tough matchup, West said.

它是一场非常艰难的比赛，韦斯特说。

J: I'm sorry,Mathilde,Did you have a hard time?

哦，我很难过听到这些，你过了一段非常艰难的生活吗？

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。