With perfect regularity and precision (4,9)
I believe the answer is:
like clockwork
(Other definitions for like clockwork that I've seen before include "With all parts functioning perfectly" , "Running superbly" , "Smoothly" , "Regularly" .)
I believe the answer is:
like clockwork
(Other definitions for like clockwork that I've seen before include "With all parts functioning perfectly" , "Running superbly" , "Smoothly" , "Regularly" .)