At the beginning of the composition about youth, you can use parallelism sentences to describe what youth is, and you can also introduce youth.

1, each of us has to experience youth and understand that there is always a period of youth dancing for ourselves. When I woke up, it was the end of my youth. However, I know that in my life, there is always a period of youth dancing for myself. I like dancing for youth. I was always so shiny and lifelike during that time. The youthful face, the proud look, the irreplaceable stubbornness of others and the silly look have all become the beauty in my memory.

2. If you ask me what I have? We will proudly tell you-I have knowledge! However, knowledge alone is not enough. You should also have youth, because with youth, you will have a source of vitality. However, it is not enough to have youth. I should also cherish youth, grasp it and make use of it to make it colorful and full of vitality.

3. Youth is the golden age of life and a gorgeous flower in the journey of life; Youth is hope, youth is hard work, youth is creation, and youth is endeavor. If spring is a year's youth, then youth is the spring of life. Youth is precious because it is full of vigor and prosperity; Youth is happy because it has a bright future; Youth makes people forge ahead, never back down, never give up!

4. Youth is a meteor. Only when it flies over you and catches it, will it shine the brightest light in your life and make your life without regrets.

Youth is not a period of life, nor a special age, but a state of mind. The essence of youth is not pink cheeks, red lips or flexible joints, but firm will, unchanging faith, rich imagination and full emotions, which is a trace of coolness in the spring of life. The connotation of youth is not leisure and hate work, nor age, nor is it the patent of young people, but the courage to overcome cowardice and the vitality of life, which is an ideal color that has been weathered and never faded.