Absolutely, here's what I've written for you:
Dear Mom, today is your birthday and I wish you a happy birthday with great gratitude and joy!In the course of your life, you have nurtured us with endless love and wisdom, so that we can be resilient and courageous in life.
You are like a beacon that illuminates our path and shows us the way. You teach us by word and deed how to face the difficulties and challenges in life. Your hard work and selfless dedication are the most valuable wealth in our lives.
On this special day, I would like to send you my warmest wishes. May your smile bloom like a spring flower, and may your life be full of sunshine and hope. May your body always be healthy and your spirit always young. May you feel happiness and fulfillment in every beautiful moment.
Mom, you are the greatest person in our hearts. Your love is like a warm sunshine shining in our hearts. We would like to spend our lives repaying your nurturing kindness and making you feel our love and gratitude.
Finally, I wish my mom a happy birthday again!May your days be filled with joy and happiness!May your life be like a beautiful melody, warm, beautiful and lasting!
This is my expansion of "Happy Birthday to Mom", using figures of speech such as metaphor, comparison, and contrast, and maintaining a cordial and warm tone style, which is in line with Chinese expression habits. Hope it helps.