on the up and up
成語所屬單字up
on the up and up — 慣用語
1. honest and according to the rules; completely legal and morally acceptable
1.慣用語
釋義
正當的；光明正大的
honest and according to the rules; completely legal and morally acceptable
例句
The accountant assured us that every transaction in the company was on the up and up.
Zayd wanted to check that the charity was on the up and up before making a donation.