二十五、Spare no effort to + V (不遗余力的)
　　We should spare no effort to beautify our environment.
　　我们应该不遗余力的美化我们的环境。

　　二十六、bring home to + 人 + 事 (让......明白......事)
　　例句：We should bring home to people the value of working hard.
　　我们应该让人们明白努力的价值。

　　二十七、be closely related to ~~ (与......息息相关)
　　例句：Taking exercise is closely related to health.
　　做运动与健康息息相关。