My new job is much the same as the old one.
我的新工作和旧工作差不多。
Those were the best years of my life.
那些年是我一生最幸福的时光。
It was a chance meeting that would change my life.
那次偶然的`会面改变了我的一生。
It was the best day of my life.
这是我一生中最美好的一天。
In case you should need any help, here's my number.
万一你需要帮助的话，这是我的电话号码。