Great changes have taken place in my hometown in recent years.

近几年我的家乡发生了巨大的变化。

I have changed a lot in personality.

我的性格已经发生了很大的变化（我个性变化很大）。

I was once a shy boy in the past,but now I am confident and extrovert.

我过去是个羞涩的男孩，可是现在我自信而性格外向。

You could hardly imagine how your life would be like ten years later.

你简直不能想象十年后的生活会是怎样的。

Environment is getting worse so that people in the world are worrying about it.

环境日趋恶化，世界人民都在为此担心。

The greatest change in my life is my way of thinking.

我生活中的最大变化就是我的思维方式（的变化）。

Life is colourful because it is full of change.

生活（命）是多彩的，因为它充满了变化。

Life is like a box of chocolate and you never know what you are going to get.

生活就像一盒巧克力，你永远都不会知道你会得到什么。

As long as I am striving forward, I know I could make big changes of my life.

只要我不断地努力，我知道我的生活会发生很大变化。

Everyone can be better and better if he has a dream and tries his best to realize the dream.

每一个人都会越来越好，只要他拥有一个梦想并为此不断地努力。

I may have difficulties and frustrations in future, but I am ready for it.

我的未来会有困难和挫折，可是我已为此做好了准备。