on the up-and-up

基本解释

The deal is on the up-and-up and should stand scrutiny in any court of law.
这笔交易是光明正大的，应当经得起任何法庭的缜密审查。
Once you find out the company you're interested in is on the up-and-up, you'll want to be sure it has the support systems you'll need to build your business.
一旦你发现你所感兴趣的公司的生意越来越好，你就必定想进一步的了解该公司是否会提供你需要的帮助来帮助你创业。
Business was on the up-and-up all through the year.
在整个这一年里生意越做越好。

"What I have seen is a lot of kids really take off because they do have the one-on-one attention and they are up to grade level, if not beyond,as a result of having been in the program."
Lycidas' death -- remember this is the poem that Milton didn't want to write, he was "forc'd" to write it -Lycidas' death allows the uncouth swain to grow up and to move on.
利西达斯的死-记住这是一首,弥尔顿并不想完成的诗，他是被迫的,使得这个粗鄙的年轻人能够成长并继续前进。
耶鲁公开课 - 弥尔顿课程节选
I'm not sure whether we'll use the Classes server to have you sign up for discussion sections online, or whether we will do it the old-fashioned way and have you sign up on forms that we'll give you here in class.
我还没想要是用校网站,让大家在线讨论，还是用传统的,课堂讨论。
耶鲁公开课 - 新约课程节选

And how do you determine who's good at it, and whether they're on the up-and-up?
FORBES: Who's Watching The Watchdog?