yī​bǎn​yī​yǎn

methodical

一板一眼 yī​bǎn​yī​yǎn
methodical idiom
following a prescribed pattern to the letter with scrupulous attention to detail
musical meter idiom
one strong beat and one weak beat in a measure of traditional music

Frequency

Movie subtitles
0.330 per million appears in 0% of films
Written text
0.264 per million

Sources

Definitions
CC-CEDICT