艰难的

It wasn't a high pint in my life.

这是我生命中最艰难的时刻。

Pippin: I feel like I'm back at the Green Dragon after a hard day's work.

皮平：我觉得我在一天艰难的工作后又回到了绿龙酒馆。

In this world, it will be rather poignant for a person to give up what he or she already owns.

在这个世界上，一个人要放弃自己已有的东西，是一个非常艰难的过程。

He made the tough decisions in Grosse Pointe Blank .

他在 Grosse Pointe Blank 中作出了艰难的选择。

We moved forward precariously, making mistakes and experiencing setbacks. Many people in this difficult period suffered major shocks.

我们一路蹒跚前行，犯过各种错误，受过许多挫折，在这个艰难的时期，许多人遭受了沉重打击。

We consciously opted to accuse Pakistan rather than taking hard decisions to prevent it from.

我们自觉选择，而不是指责巴基斯坦采取艰难的决定，以防止它。

Let me tell you, that's a tough proposition.

让我告诉你，这是一个艰难的命题。

Now, we head into the Pyrenees and the hardest stages of the Tour.

现在，比赛进入了最艰难的赛段，比利牛斯山脉赛段。

So it's a tough quarter.

因此，这是个艰难的季度。

I knew it would be a tough race......

我知道它将会是一场艰难的比赛。。。。。。

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。