1.be ok (fine) with 对……无碍，不要紧

Whatever you think is fine with me.

随你怎么想，我无所谓。

2. give a damn 不在乎, 不感兴趣(永远用于否定形式)

He couldn't give a damn whether he passes the exam or not.

他对考试及格与否满不在乎。

3. suit yourself 随你的便;按自己的意愿行事

You don't want to join the club? Oh well, suit yourself.

你不愿意参加俱乐部是吗? 那好，随你的便吧。

4. it's up to you 听你的,由你决定

So if you really want class to make a difference in your life, it's up to you.

所以如果你真的想通过这门课改变生活，一切取决于你。

5. I don't care 我不在乎

I don't care what she thinks.

我不管她怎么想。

6. do whatever you want 爱咋咋地

I have no doubt about that. You can always do whatever you want.

我对此毫不怀疑，你想做的事，总是能做到。

7. as you wish/if you want 随你吧

As for your departments plan, you can change as you wish.

至于你们部门的计划，你愿意怎么改就怎么改吧。

8. whatever 管他呢

I totally have no idea how to file my tax return, whatever.

我完全不知道该怎么报税，唉，随便啦。