1.there's nothing like: 没什么能比得上
There's nothing like a true friend.
没什么比得上一个真正的朋友.
There's nothing like a little doze after lunch.
午饭后打一会儿盹是最适意不过了.
2.cost/pay an arm and a leg: to cost/pay a lot of money (使)花一大笔钱
3.come up with
1.赶上
We came up with a group of tourists. 我们赶上了一群旅游者。
2.(针对问题等)想出;提供
He came up with good ideas for the product promotion. 他想出一个推广产品的好方法。
He could not come up with a proper answer. 他想不出一个合适的回答。
3.准备好(钱等)
You must come up with the money by tomorrow night. 你明晚之前必须准备好钱。