up and up

• n. 不搞歪门邪道(越来越好)

up and up的用法和样例：

例句

1. Expenditure raced up and up to an unprecedented level.
   消费不断地急剧上升，达到了空前的水准。
2. She may very well prove to be on the up and up, but it pays to be careful. This burg is full of gold diggers, you know.
   她这个人可能是很正直的，但是以小心谨慎为妙。你要知道，这个城里到处是以色相诱骗男人钱财的女子啊。