work miracles

To achieve extraordinary results, especially in trying to improve a situation. The therapist we hired has worked miracles with Johnny's behavioral issues. If we're going to bring this company back to its former glory, we'll need a marketing team that can work miracles.

work/do ˈwonders/ˈmiracles (for/on/with somebody/something)

(informal) have a very good effect (on somebody/something); quickly succeed: Getting the job did wonders for her self-confidence. ♢ This washing powder will work miracles on those difficult stains. ▶ ˈmiracle-worker noun: I just don’t have enough time to finish it. I’m sorry, but I’m not a miracle-worker.