fun and games
轻松愉快的事

A: Life isn't all just fun and games, you know.
生活不全然是轻松愉快，你知道的。
B: Don't tell me stuff I already know.
我跟我说些我已经知道的事。

put your mind to something　
致力于某事,专心于某事

You can do anything when you put your mind to something.
(如果专心一志,任何事情都能达成.)

That's easy for you to say!
你说得倒轻松！

Work harder? That's easy for you to say!
要更努力工作？你用说的比较容易！

no matter what
无论如何

I'm not missing my TV show no matter what!
无论如何我绝不错过我要看的电视节目。

go through
经历

A: You have to go through pain to get to pleasure.
享乐前得先吃苦。
B: I know that.
我懂。