be doing OK
1. To be feeling fine or coping satisfactorily. Often used as a response to a question about one's wellbeing to indicate that one is relatively well. Oh, I'm doing OK—the grief has begun to lessen with time.
2. To be performing moderately successfully. Thankfully, our business is doing OK this quarter because we've had a lot more sales.
be doing OˈK/oˈkay
(informal) be successful; be making a lot of money: ‘How’s business?’ ‘We’re doing OK, thanks.’They’re doing more than okay with those new restaurants. They’re making a fortune.