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。