字形：

"吹"字最初的形状好像一个人在张着大嘴吐气，因此"吹"最开始的意思就是合拢嘴唇用力出气。此外"吹"还有吹牛的特殊意义。
The original form of the character "吹" is like a person exhale deeply with his mouth open, so the initial meaning of "吹" is to exhale with a pouted mouth. "吹" also has a special meaning in Chinese, which means bragging.

字义：

blow;puff;boast

组词：

吹风(chuīfēng):  be in a draught; dry hair with a blower

吹号(chuī hào):  blow a bugle

吹牛(chuīniú):  boast

吹捧(chuīpěng): flatter

鼓吹(gǔchuī): agitate

吹奏(chuīzòu): play wind instruments

例句：

1. 吹风机太热了，请调一下温度。
    Chuīfēngjī tài rè le, qǐng tiáo yíxià wēndù.
    Your hair dryer is too hot. Would you adjust the tempreture, please? 

2. 他好吹牛。
    Tā hào chuīniú.
    He blows too much.

3. 他们鼓吹这是言论自由。
    Tāmen gǔchuī zhè shì yánlùnzìyóu.
    They preach this is freedom of speech.

• character [´kæriktə]   n.特性；性质；人物；字   (初中英语单词)
• preach [pri:tʃ]   v.宣扬；鼓吹 n.训诫   (初中英语单词)
• initial [i´niʃəl]   a.最初的 n.首字母   (高中英语单词)
• draught [drɑ:ft]   n.通风，通气；吸出   (高中英语单词)
• exhale [eks´heil]   v.散出，吐出；蒸发   (英语六级单词)