If difficult, what is the reason?
如果觉得困难，是什么原因？
So quiet life, even if difficult please don't forget once again.
就这样安静的生活着，就算再艰难都请不要忘记曾经。
Remember, it is better to remain in a state of honest, if difficult, doubt than to slip sleepily into a decision that you later regret.
记住，保持一种诚实的态度，如果有困难就保留怀疑，这也比昏昏然落入一个你以后会后悔的决定要好。
The software also alerts them if difficult questions are being answered suspiciously quickly, or if two test-takers' answers match too closely for comfort.
如果有人回答很困难的问题时速度快得让人怀疑或者有两个考生的答案过于相似显得不自然时，软件就会提醒考官有情况。
Asking for clarification shows you are thoughtful and won't go on wild goose chases in the office if difficult projects aren't spelled out for you in advance.
要求面试官解释可以体现你很细心，从而说明你在没有提前得到一个棘手项目的详细解释之前，是不会在办公室里白忙活一番的。
And the software also alerts them if difficult questions are being answered suspiciously quickly, or if two test-takers' answers match too closely for comfort.
而如果解答难题的速度快得令人生疑，或者两个考生的答案异乎寻常地相近，软件也会警告考生。
In my view, environmental protection, the battle can not be "premature" as an excuse stall in the past, even if difficult, they have to make a determined effort to strengthen law enforcement.
在我看来，环保这场战役不能用“不成熟”的借口搪塞过去，就算难，也得下决心进行、加强执法力度。
He's going to be in a very difficult position if things go badly for him.
他处境将非常困难，如果情况变糟的话。
He has no conception of how difficult life is if you're unemployed.
他不懂得失业后生活会是怎样的艰难。
If you have small children, you know how difficult it can be to find and pay for a baby-sitter.
如果你有一个小孩儿，你就会明白找到一个婴儿保姆并给他酬劳是多么的困难。
If you are a very reserved person, this could be a little difficult at first.
如果你是一个非常内敛的人，刚开始可能会有点困难。
I am certain of it, especially if it's difficult for a competitor to copy.
我对此非常确信，尤其是当竞争对手很难抄袭的时候。
If a customer is rude or difficult, just think "Maybe she's had a row with her husband."
如果一位顾客表现得粗鲁或难缠，你就想：“也许她和丈夫吵了一架。”
"The challenge is if certain types of people are doing something, it's difficult for other people to break into it," said Po-Shen Loh, the head coach of last year's winning U.S. Math Olympiad team.
去年获胜的美国数学奥林匹克代表队的总教练罗博深说：“挑战在于，如果某些类型的人正在做某事，其他人就很难成功打入其中。”
In fact, to learn with success is not a very difficult task if you follow some basic rules.
事实上，如果你遵循一些基本的规则，成功地学习并不是一件非常困难的事情。
If the player are just beginners, Forpheus will play in a slow and easy way, but if the players are better ones, the robot will play in a faster and more difficult way.
如果玩家是初学者，Forpheus将会以一种缓慢而简单的方式来玩，但是如果玩家较有经验，机器人将会以一种更快且更困难的方式来玩。
If more than a few weeks go by, we might have a real problem that would very difficult to fix in time for you to graduate.
如果好几个星期过去了，我们可能会面临一个真正的问题，这个问题我们很难在你毕业的时候解决。
If you are talking about a subject you know well, as I've just advised, prepared, preparing the speech itself should not be too difficult.
如果你正在谈论一个你很熟悉的话题，就像我刚才建议的，做好准备；准备演讲本身应该不是太难。
Sometimes that standard is quite difficult, if not impossible, to achieve.
有时那个标准，即使并非不可能，也是很难达到的。
Learners can feel very discouraged if an exercise is too difficult.
如果练习太难，学习者就可能感到很没信心。
Children find it difficult if a parent is inconsistent.
如果做父母的不始终如一，孩子会觉得无所适从。
But if improving their hunting luck was the chief motivation for the paintings, it is difficult to explain why only a few show signs of having been speared.
但是，如果增强他们的狩猎运气是这些画的主要动机，那么就很难解释为什么只有少量画作有被长矛刺过的迹象。
On average, students have to spend 3 hours finishing homework every day, but if we are stuck by difficult questions, the time will be extended.
学生平均每天要花三个小时来完成作业，但是如果遇到难题，完成作业的时间就得延长。
It is not difficult to tell if a dog is angry because it barks.
要知道狗是否生气并不难，因为它会叫。
That lack of curiosity produces a relative lack of knowledge, and the lack of knowledge is difficult if not impossible to compensate for later on.
好奇心的缺乏导致了相应知识不足，而知识的缺乏即便可以弥补，但真正做到也是很难的。
It can be difficult if the only disabled toilet in the basement is a long way from where the film is showing.
如果地下室里唯一一个残疾人厕所被安排在离放映大厅很远的地方，这样会很麻烦。
It's not difficult. If you keep on practicing, you will succeed.
这不难。如果你坚持练习，你会成功的。
If he tried to do something difficult, he kept trying over and over again until he learned how to do it.
如果他试图做一些困难的事情，他会不断地尝试，直到他学会如何去做。
She began to tell us how her class was going to be difficult and that if we weren't up to the challenge, she would gladly let us leave.
她开始告诉我们，她的课将会变得多么困难，如果我们不能接受挑战，她会很高兴地让我们离开。
No matter how difficult it is, some people voluntarily take this role—even if they don't have to.
不管有多困难，仍然有人自愿承担这个角色——即使他们没有必要这么做。
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