by the way: 順便說
Love to Bob, by the way.
請便代向鮑勃問好。
Not bad. By the way, how is your mother? Is she all right?
還好。順便問一下，你母親怎么樣？她好嗎？

different from: 與…不同
She believes that she has a fight to be herself and to be different from what others might expect of her.
她相信她有權走自已的路，而不是別人指望她怎么樣，她就怎么樣。

have fun: 玩的開心
Have fun while you can. The hard times is just around the corner.
趁能玩的時候多玩玩吧。辛苦的時辰不久就會到的
Have fun! ie Enjoy yourself!
盡情玩兒吧！

work out: 有用
I believe that you can work out this problem by yourself.
我相信你自己能做出這道題的。
We can find a way to work out this problem.
我們可以找到解決這個問題的方法。