艰难

I hope it is no very cynical asperity not to confess obligations where no benefit has been received, or to be unwilling that the public should consider me as owing that to a patron, which providence has enabled me to do for myself.

我已经在根本没有所谓学术赞助人赞助的情况下使自己的工作完成到目前这个地步，那么，尽管我将要在更艰难无助的情况下—假如还有可能更艰难无助的话—完成全稿，我也绝不会感到沮丧。

Son of a woman bailiff hand偕老and son, it was so difficult, but because it is difficult and it has become more precious.

一个女人执子之手，与子偕老，竟然是如此的艰难，却又因这艰难而愈显珍贵。

A rugged competitive examination; the rugged conditions of frontier life; the competition was tough; it's a tough life; it was a tough job.

艰难的答辩；边疆生活的艰苦条件；竞争很艰难；这是种艰苦的生活；这是份苦差事。

Objective To express the functional domain at C-terminus of Clostridium difficile cytotoxin B and lay a foundation of developing effective vaccine against infection with Clostridium dificile and diagnostic antigen.

目的 表达并纯化艰难羧菌细胞毒素B羧基末端功能区片段，为制备高效防治艰难羧菌感染的疫苗和诊断抗原奠定基础。

It can be hard to assemble an effective team, and even harder to face the fact that a talented member is a chronic disrupter.

组建一个高效的团队是艰难的，更艰难的是面对这样的事实：某个极具天分的成员一直都是个刺儿头。

Having carried on my work thus far with so little obligation to any favorer of learning, I shall not be disappointed though I should conclude it, if less be possible, with less; for I have been long wakened from that dream of hope, in which I once boasted myself with so much exultation, My Lord

我已经在根本没有所谓学术赞助人赞助的情况下使自己的工作完成到目前这个地步，那么，尽管我将要在更艰难无助的情况下-假如还有可能更艰难无助的话-完成全稿，我也绝不会感到沮丧。

Looking back at that turbulent and difficult period Friedrich says:It was a tough time for me.

回首那段动荡而艰难的日子，弗里德里希说：对我来说那是一个很艰难的时期。

She was gasping her last,in just the same way as she had lived her entire hard life.

邻居的小伙子背着我去看她的时候，她正艰难地呼吸着，像她那一生艰难的生活。

More often it is grim: almost everyone, it turns out, was informing on the Martons, from neighbours to the nanny. Through it all, her father baffled his persecutors, who could not believe that the suave, stylish polyglot was just what he claimed to be: a hard-living, hard-playing newsman. His undoing came when a traitor in the American embassy reported that he had lent to officials there a copy of an official document, the state budget. Not exactly a secret, but pretext enough to send him to be broken in the AVO's dungeons.

这常常是无情的：事实证明几乎所有的人，从邻居到保姆，都对Marton一家进行了揭发，自始至终，她的父亲都反击了迫害者，这些迫害者难以相信这位礼貌又有风度地通晓多国语言的人如他所声称的那样：一位艰难生活、艰难工作的报人，当一位美国大使馆的叛徒揭发他将一份有关政府预算的政府文件的副本借给这里的官员时，他的不幸到来了，尽管这份文件不能确切的算作秘密，但是这足以成为将他送入AVO的地牢遭受折磨的借口。

I know how difficult is your task, and that of the Palestinian Authority.

我也知道，您的工作有多么的艰难，这对于巴勒斯坦官方也是一样的艰难。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。