He made every effort to smooth out his habitual worried look and wear a sunny smile, since a happy expression can lead to genuinely happy feelings.
他努力消除他惯常的忧虑神情，脸上挂着灿烂的笑容，因为快乐的表情会带来真正快乐的感觉。
Your blank expression, and the faraway look in your eyes are the cues that betray you inattentiveness.
你面无表情、眼神恍惚，这些都是你心不在焉的表现。
But don't expect it to have an identical personality: it may look the same but genetic expression may turn it totally mental.
但是可别指望它拥有一样的个性：它们只不过看上去想像，不过基因表达可能使克隆体令你大失所望。
Don't imagine that picking an edgy look for your music player is self expression.
不要以为你为你的播放器挑选了一个前卫的外观就是表现自我。
Express yourself? Experience? Wear? This is all terribly "human" and "personal" language. Don't imagine that picking an edgy look for your music player is self expression.
“表现自我？”“体验吧？”“穿上？”这些全是可怕的“人”和“个人”的言辞。不要以为你为你的播放器挑选了一个前卫的外观就是表现自我。
They asked the participants to look for a particular sort of expression, and measured the amount of time it took them to find it.
他们向参与者提问某张图片代表的是什么表情，并记录下参与者们观察出来所需的时间。
The next time you invite a friend over, pretend to be reading an encyclopedia as they enter the door and look at their expression.
等你下次邀请朋友来做客，他们进门的时候你就假装正在看百科全书，看看他们的表情。
First, get all the matches with a regular expression that look pretty complex.
首先，获得所有与一看起来非常复杂的正则表达式匹配的结果。
This regular expression has a bunch to digest, but if you walk through it a few times, you can see that this is what a URL has to look like.
这个规则表达式有许多内容有待理解，但如果多看几遍，您就会明白这就是URL的格式。
I look for a regular expression that makes the pattern I am looking for, and then print the line of the disk report with a special message that gets injected.
我寻找构成所寻找模式的正则表达式，然后使用注入的特殊消息来打印该磁盘报告行。
The sun, on account of the mist, had a curious sentient, personal look, demanding the masculine pronoun for its adequate expression.
由于雾气的缘故，太阳也变得奇怪起来，有了人的面孔，有了人的感觉，要想把它准确地表达清楚，得使用阳性代词才行。
Take a look at one final expression example before going into using XPath with PHP: /PRODUCTS/PRODUCT/NAME[string-length( ) > 15]/../@category.
在研究XPath与PHP 的使用之前，先来看看最后的这个表达式示例：/PRODUCTS/PRODUCT/NAME[string-length( ) >15]/../@category。
When concatenated into the original expression, the query would look like this.
把这个值加入到原有的表达式时，查询就变为。
These results look pretty bland, especially if you compare them to Figure 1, a screen capture from the tutorial where this same expression was evaluated graphically using a tool for evaluating XPaths.
这些结果非常单调，与图1比较时更是如此，图1是来自一个教程的屏幕截图，该教程使用计算XPath的工具对这个表达式进行图形化计算。
The first template uses an XPath expression to look up the value from the <http-params> section.
第一个模板使用XPath表达式从
In the end, your expression for each Layout Calculation object should look similar to what appears in Figure 14.
最后，每个LayoutCalculation对象的表达式应该与图14中的相似。
So we have a very simple expression which is called the van't Hoff expression, and look at how it resembles the ideal gas law.
我们得到了一个很简单的结果,这个公式叫做van’t，Hoff公式，这个公式和理想气体公式很相似。
She smiled, but my expression made her look away.
她笑了笑，但我的表情让她又把目光移开了。
Right, having done that, we can certainly get to more complicated things, so for example, suppose I look at that expression.
好，说完了这一点，我们就可以讲些复杂些的话题了，例如，假设我看到了这个表达式。
I rose with an irrepressible expression of what I felt on my lips, which induced my companion, who had been staring towards the door, to turn and look at me.
我站起来，自己也觉得嘴上带着一种压抑不住的表情，这引起了我那向门瞪视着的同伴转过头来望着我。
The expression should now look like the one in Figure 8.
该表达式现在应该与图 8 所示类似。
The policy expression window should now look like Figure 7.
策略表达式窗口应当如图 7 所示。
He did not even glance toward the coffin, but continued to look at her with a dull, frightened, appealing expression, as a spaniel looks at the whip.
他没有朝灵柩看一眼，而是继续用一种迟钝、恐惧、祈求的神情望着她，犹如一条望着鞭子的狗。
If you look carefully at that monster regular expression pattern, you'll discover five groups.
如果您仔细研究这个可怕的正则表达式模式，您将发现5个组。
The TOKEN statement contains a regex-like expression that describes what integer tokens look like.
TOKEN语句包含类似 regex 的表达式，该表达式描述了整数记号看起来象什么。
Part 3 of the listing contains an XQuery join expression that assembles a new XML document, books-complete-info (look ahead in listing 10), that contains book nodes that include the author's name.
清单第3部分的XQuery连接表达式组成了一个新的XML文档books - complete - info(先看看清单10)，其中的book节点包含作者的姓名。
The family does not need too many languages to explain, even among parents with a look, can the love between each other, more profound expression of this kind of love, is innate, is selfless.
亲情不需要太多的语言去解释，哪怕你与父母之间的一个眼神，都能更深刻的表达彼此间的爱意，这种爱，是与生俱来的，是无私的。
For example, if the expression doesn't use the last function then it is not necessary to do look-ahead processing to determine how many elements there are in the context list.
例如，如果表达式不使用last函数，那么就不必执行先行处理来确定上下文列表中有多少元素。
For example, if the expression doesn't use the last function then it is not necessary to do look-ahead processing to determine how many elements there are in the context list.
例如，如果表达式不使用last函数，那么就不必执行先行处理来确定上下文列表中有多少元素。
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