来之不易的

A flawless and unique bead can command the highest prices and are not easy to come by.

阿完美和独特的珠可以命令的最高价格，是来之不易的。

But to the French, who fought hard-won battles against authoritarian clericalism, it stems from a secular wish to keep religion in the private sphere.

但是对于法国人来说，他们在对抗专制的教权主义中取得了来之不易的胜利，将宗教活动控制在私人区域内起源于一个非宗教化的愿望。

What we obtain too cheap, we esteem too lightly;'tis dearness only that gives every thing its value.

轻易获得的东西，我们并不珍重；一切事物的价值在于它是来之不易的。

We will begin to responsibly leave Iraq to its people, and forge a hard-earned peace in Afghanistan.

我们将以负责任的方式把伊拉克还给它的人民，并在阿富汗建立起来之不易的和平。

The only thing more extreme than today's weather, is the hard-core and most often ill-informed mentality of the global warming skeptics.

只是更极端比今天的天气，是来之不易的核心和最经常虐待知情的心态，全球变暖怀疑论者。

Hard-won, self-acquired, self-earned property!

来之不易的、自己获得的、自己挣得的财产！

Anyway, the upshot of all the stress and anxiety is that the hard work has paid off and even though you don't quite get the A++ that your jammy friend got, you're ecstatic with your well-earned B+.

不管怎样，压力和焦虑都过去了，这是你下苦功的回报。尽管你没有象你的铁哥们那样得到A++，只得了个来之不易的B+，这也足够让你欣喜若狂了。

Your life only lasts for a few decades, two people can fall in love that is known from fate, not everyone who met predestiny love, why not cherish the hard-won fate?

人生短短数十载，两个人能从相识到相爱那便是缘分，不是每个有缘相识的人都会相爱的，为何不好好珍惜这份来之不易的缘分呢？

Yet despite this hard-won progress, Beijing is now in danger of backsliding.

然而，在取得这番来之不易的进步之后，中国的银行业改革现在面临着倒退的危险。

On your behalf I have been trawling the web looking for good advice, and the only effect this has had on me is to shake my own hard-won confidence as a public speaker.

我替你在网上搜罗了一些好的建议，但这么做对我产生的唯一效果，就是动摇了我自己作为公共演讲者来之不易的信心。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。