HSK 6 HSK V7-9
Correct

精益求精

/ jīng yì qiú jīng /
Strokes

Definition

to perfect sth that is already outstanding (idiom); constantly improving

Example

Definition

constantly perfect one's skill; constantly strive for perfection; keep on improving; refine on

1
业务
shàng
jīngqiújīng
精益求精

constantly improve and perfect one's professional skill