on the level
US /ɑn ðə ˈlɛvəl/
UK /ɑn ðə ˈlɛvəl/

1.
honest and truthful
:
•
I need to know if you're being on the level with me about this deal.
•
His story seemed a bit too perfect, so I questioned if he was truly on the level.
honest and truthful