三岁是一个非常重要的年龄，因为它标志着孩子生活中的一个重要里程碑。当一个孩子三岁生日时，他们已经学会了很多东西，包括走路、说话和探索他们周围的世界。这个特殊的日子需要一个特殊的祝福，以下是一些三岁小孩生日英文祝福语：

1. Happy third birthday! You are such a smart and amazing kid, and we can't wait to see what adventures you will have in the coming year.

2. Time flies so fast, and you're already three years old! May your birthday be filled with love, laughter, and lots of fun.

3. Wishing you a wonderful birthday filled with all the things that make you smile. You are such a special child, and we are lucky to have you in our lives.

4. Happy birthday to a little superstar who brightens up our lives with your smile and laughter. May your day be filled with love and joy.

5. Three years ago, you came into this world and changed our lives forever. We love you more than words can express and wish you the happiest of birthdays.

6. Happy third birthday to the sweetest and most adorable kid we know. May your day be filled with lots of cake, presents, and all things that make you happy.

7. You are growing up so fast, and we are so proud of all the things you have accomplished in your three short years. Happy birthday, and may all your dreams come true.

8. On your special day, we wish you lots of fun, laughter, and happiness. You are a blessing to our family, and we love you more than words can say.