我的妈妈今年45岁,小巧玲珑的她总爱在我面前吹牛说她小时候各项运动都很好。我很不服气,一直想找机会和她比一比!一天散步时,我向妈妈挑战跑步。“1、2、3!”我们同时开跑。哈哈,没想到不一会儿,我就把妈妈甩在了后面。到了终点,她气喘吁吁的,而我却只用了80%的力量。“人老了,力气就小了!”妈妈狡辩道。我心想:哼,跑不过我还找理由,真是的!一天游泳时,我向妈妈提出比 My mom, 45 years old this year, was small and dainty. She always bragged before me that she was good at all kinds of sports as a child. I am very unconvinced, always looking for a chance and her more than a day walk, I challenge my mother running. “1,2,3! ” We are running at the same time. Haha, did not think for a moment, I put my mother left behind. By the end, she was breathless, and I only spent 80% of the force. “Old man, strength is small! ” Mother quips. I thought: Well, but I still find reasons, really! One day swimming, I put forward to the mother than