求翻译：我的乒乓球很棒，为了自己挣学费，我去参加各种各样的比赛，14岁时，我用我的奖金支付了我和姐姐的学费，那是我觉得最苦的日子，后来爸爸妈妈做生意，现在日子又好了起来，但是他们觉得欠我和我姐姐太多，总是省吃俭用，希望我和姐姐以后可以过得更好，但是他们不知道，他们我的钱我都存起来了，我用的都是我自己挣的钱，其实我知道也没什么必要，但是他们老了，身体也不好，我害怕有一天他们生病了我却还没有毕业。。。这样可以用他们给我的钱为他们治病。是什么意思？

Table tennis great, in order to earn his tuition fee to participate in a variety of game, at age 14, I use my prize money to pay tuition fees for my sister and I, that I think the most bitter days later Dad Mom Dad to do business, now days good, but they owe me and my sister too much, always live fr

My Table Tennis is a great, in order to earn their own tuition fees, I am going to participate in a variety of games, at the age of 14, I used my bonus and I have paid the tuition fees, it was my sister I think that the most bitter of the day, and then my Dad and Mom, doing business is now a good ti

I of table tennis is bar, to themselves earned tuition, I to participate in variety of competition, 14