In my opinion,my best friend changed my attitude towards life.对我来说，是我最好的朋友改变了我对生活的态度。

　　She is an opitimistic girl, she always appears with her big smile,and her dimple makes her look lovely and sunshine.Her passion to life infects me , she never felt disappionted no matter what difficulties she encounters with. She knows how to arrange her time properly,so she always enjoy life.She like sports game,such as pingpong,badminton.During the break,you can see her swift figure in the playground.她是一个乐观的女孩，她出现时总是笑容面面，还有她的小酒窝让她看起来阳光又可爱。她对生活的热情感染着我，无论她面对什么困难，她都不会泄气。她知道如何合理的安排时间，她总是享受生活。她喜欢运动，例如：乒乓球、羽毛球。休息时，你可以在操场上看见她矫捷的身影。

　　However,I always spend much time in studying,worry about something.Compared with her,I really was a hard working girl,but usually I got lower marks than her.It indeed confused me,I began to reflect on myself.The process of thinking makes me clear much confusion.然而，我总是花很多时间学习，处处担心。与她相比，我是一个很努力的女孩，但是总是得到比她差的成绩。这的确困扰了我，我开始反思我自己。在思考的过程中，我明白了许多。

　　During the time with her,she always brings happiness to me, you can listen to her talking about everything!在和她在一起的时间里，她总是给我带来快乐，你可以听听她谈论的一切。

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作文地带知识拓展:

• Life 英 [laɪf] 美 [laɪf]】基本解释

  n. 生活，生计；生命，性命；一生，寿命；人生，尘世

  life 变化形式 复数： lives

  life 生命 life 's work 毕身成就

  来自古英语life,存在，生命，来自PIE*leip,停留，持续，词源同live,leave.比较world. 比喻用法。

  Life释义：

  the period between birth and death, or the experience or state of being alive

  寿命;生命;一生，人生;生活;性命

  Life's too short to worry about money!

  人生短暂，何必为金钱而烦恼！

  for the whole of a person's life:

  I believe marriage is for life.

  我相信婚姻是一辈子的事情。

  to be willing to die in order to defend or support someone or something:

  They were ready to give their lives for their country.

  他们已做好了为国捐躯的准备。

  a way of living or a particular part of someone's life

  生活方式;生活（的某一部分）

  her family/private life

  她的家庭／个人

  my working life

  我的职业生涯

  everything that is alive

  活物，生物

  human/marine/plant life

  人类／海洋生物／植物

  to completely change how or where you live:

  She decided to start a new life in Australia.

  她决定在澳大利亚开始新的生活。

  the period for which a machine or organization lasts

  寿命；存在周期；有效期

  The newer batteries have a much longer life.

  新一代电池的寿命要长得多。

  the quality that makes people, animals, and plants different from objects, substances, and things that are dead

  生命力，生气

  figurative I looked through the window but I couldn't see any signs of life (= people moving).

  我透过窗子向外望去，却看不到有任何人类活动的迹象。

  the quality of having a lot of energy, interest, or excitement

  活力，热情

  She's so full of life.

  她充满了活力。