1. Education is the door to freedom. 教育是通向自由之门 （一个简单的主系表结构）2. Challenges make life interesting. 挑战使生活变得有趣（make +…adj. 形容词作宾补）3. Difficulties make life worth living.困难让生活更有价值（make+…介词短语作宾补）4. Nothing in the world can take the place of persistence.世界上没有任何东西可以代替坚持（否定词作主语， take the place of 代替）5. It’s impossible to defeat a person who never gives up.打败一个永不放弃的人是不可能的。（动词不定式作主语）6. The most important thing in life is to have a great aim and the determination to attend it.生活中最重要的事情就是有一个远大的目标，并有决心实现它。（不定式作表语和定语）7. If you can dream it, you can do it.只要你想得到，你就做得到 ( if 引导的条件状语从句)8. Actions speak louder than words.行为比言语更有说服力（副词比较级）9. Deeds are more powerful than words. 行为比言语更强大（形容词比较级）10. Mistakes show us what we still need to learn.从错误中我们知道该学什么（what 引导的宾语从句作宾语，从句中不定式作宾语）11. Difficult times show us who our true friends are.艰难岁月上我们知道谁是真正的朋友/ 患难见真情 （宾语从句）12. It doesn’t cost anything to be nice.做好人事不费吹灰之力的（不定式作主语，it 形式主语）13. Believe in what you can become.相信自己的潜力（what 引导的名词从句作宾语）14. Think and your mind will stay fresh.思考能使大脑保持清醒（祈使句+and +主句）15. You win because you think you can.你成功是因为你认为你能成功（原因状语从句）16. By helping others, you will feel good about yourself.帮助他人，其乐无穷。（by 表手段，途径）17. Lost time is never found again.时间一去不复返。（过去分词作定语，一般现在时的被动语态）18. Rome wasn’t built in a day.罗马不是一天建成的。（一般过去时的被动语态）19. Never put off until tomorrow what you can do today.永远不要把今天能做的事情拖到明天。（否定祈使句）20. Remember ...
