1. May your days be filled with happiness and your hearts with love. 愿你的日子里充满幸福，你的心中充满爱。
2. On this special day, I hope your smile is as bright as the sun and your heart is full of joy. 在这个特别的日子里，希望你的笑容如阳光般灿烂，心中充满快乐。
3. May your future be as sweet as a dream and as beautiful as the day. 愿你的未来如甜蜜的梦，如美丽的日子。
4. I wish you a very happy day, filled with fun and surprise. 祝你度过一个充满欢乐和惊喜的一天。
5. May your new year be filled with laughter, love and all the best things in life. 愿你的新的一年充满欢笑，爱和生活中最美好的事物。
6. On this special day, I hope your heart is filled with happiness and your life is full of joy. 在这个特别的日子里，希望你的心中充满幸福，生活充满快乐。
7. May your day be filled with fun, learning and all the happiness life can bring. 愿你的日子充满乐趣，学习和生活中所有的快乐。
8. I hope your day is as special as you are, filled with love and happiness. 希望你的日子像你一样特别，充满爱和幸福。
9. May your life be filled with the joy of the season and the warmth of special friends. 愿你的生活充满节日的欢乐和朋友的温暖。
10. On this wonderful day, I wish you a lifetime of happiness, health and success. 在这个美好的日子里，我祝愿你一生幸福，健康，成功。
这些祝福语都非常适合小学生使用，既表达了美好的祝愿，又易于理解和记忆。你可以根据具体情况和需要选择适合的祝福语，写在节日贺卡或其他场合的祝福中。希望这些祝福语能给你的小学生朋友带来快乐和温暖。