毛毛虫破茧而出时,残破的蛹茧中洒满了努力的汗水;百花齐放时,娇嫩的花瓣上洒满了努力的汗水;鹰在悬崖上磨炼自己,再次振翅于蓝天白云之间时,雄壮的身姿浸透了努力的汗水……人生应当在努力中度过。努力,使沙子历经无数个黑暗的日日夜夜而变成耀眼的珍珠;努力,使 Caterpillars break cocoons out, the broken pupa cocoon filled with hard sweat; flowers bloom, the delicate petals covered with sweat efforts; Hawk tearing himself on the cliff, once again in the blue sky and white wings , Majestic figure soaked sweat effort ... life should be spent in hard work. Efforts will be made to turn the sand into dazzling pearl after numerous dark days and nights;