精益求精

• Pinyin: jīng yì qiú jīng
• English Definitions: to perfect sth that is already outstanding (idiom); constantly improving
• Notes: Classifiers: Other transcriptions: numeric: jing1 yi4 qiu2 jing1, wadegiles: ching¹ i⁴ ch'iu² ching¹, bopomofo: ㄐㄧㄥ ㄧˋ ㄑㄧㄡˊ ㄐㄧㄥ, romatzyh: jing yih chyou jing