suit yourself 随你便；按照你自己的意愿行事
例句：
A:I feel like having some food. How about you?
我想吃点东西，你呢？
B:Yeah, me too.
是的，我也是。
A:What do you want to eat?
你想吃什么？
B:Suit yourself.
随便。
A:I'd like to hear some music.
我想听点音乐。
B:That sounds like fun.
听起来很有趣。
A:Would you rather listen to Jazz or classical?
你想听爵士还是古典？
B:Suit yourself.
随便。