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汉语拼音：qián yán

1.写在书前或文章前面类似序言或导言的短文；引言。

2.前面说过的话：～不搭后语。

1. 前人的言论。

   《国语·晋语四》：“夫必追择前言，求善以终。” 三国 魏 嵇康 《声无哀乐论》：“今若復谓之诬罔，则前言往记，皆为弃物，无用之地。” 宋 俞文豹 《吹剑四录》：“始余作此编，盖即前言往事，辨证发明，以庽劝戒之意。” 清 龚自珍 《己亥杂诗》之三○二：“多识前言畜其德，莫抛心力贸才名。”

2. 以前说过的话。

   《论语·阳货》：“ 偃 之言是也，前言戏之耳。” 唐 刘禹锡 《乐天示过敦诗旧宅有感一篇吟之泫然追想昔事因成继和以寄苦怀》：“忽忆前言更惆悵，丁寧相约速悬车。” 所云平 史超 《东进东进》第七场：“ 陈将军 ，听说省 韩 终于撕下伪装，背弃前言，出动大军向 黄桥 进攻了？”

3. 文体名。刊印在图书正文前面，用以说明写作目的、经过和资料来源等或对图书内容加以评介。

   曹靖华 《采得百花酿蜜后》：“总之，这些前言、后记，可以说是交给读者的一把开门入室的钥匙吧。”

• The key point of treating warm diseases is expelling pathogen, and of the total letting-out-therapy is particularly important.

  前言：温病的治疗关键是祛邪，而“透”法尤其重要。

• In recent years, the phenomenon that the intellectual died of being tired is often seen in medium, resulting in huge social effect.

  前言：近年来，知识分子“过劳死”现象屡见媒体，造成了巨大的社会效应。

• She said that no o ne could beat her at tennis, but she had to eat her words after losing several games.

  她说网球谁也打不赢她，但是她输了好几场以后，就不得不收回前言。

• Not always, however: Andrew Breitbart did not hide when he "broke" the Shirley Sherrod story, as described in the Introduction.

  但也不总是这样：正如在前言中描述的那样，安德鲁•布莱巴特在爆出雪莉•谢罗德这个故事的时候并没有隐藏自己的身份。

• Presently the matter "indoor air quality" (IAQ) has been serious. Something conflicting about this occurs.

  前言：当前室内空气品质问题严重，有关这方面的纠纷也随之出现。

• With the above point in mind, it is a particular pleasure for me to be asked to contribute a foreword to this book.

  对我来说，能以上述观点作为思想基础为这本书写前言，是很高兴的事情。

• As the surface hardness of low carbon steel billet is rather low, when billet is blasted, pit defects will occur on its surface.

  前言：低碳钢小方坯表面硬度较低，抛丸时会在钢坯表面留下“凹坑”缺陷。

• The method of "Mechanical sweeping lines" can be used for improving the surface quality of aluminium profiles.

  前言：论述了提高铝型材表面质量的一种新途径—机械扫纹法。

• "I knew what I was doing that day, " he wrote in the introduction of his best-selling book, also titled The Last Lecture.

  “我知道我那天在做什么，”他在他的畅销书的前言中写道，书的名字也叫《最后一课》。