精益求精用英语怎么说

一般有两种说法.
精益求精
1.[Idiom] to constantly improve something; to keep improving; to always endeavor to do still better; to strive for perfection; to try for the best
2.[Idiom] Second best is not good enough.

Good,better,best. 精益求精

seek for greater perfection

keep improving

seek for greater perfection
Critiqued,最简单的,真的有精益求精的意思

Good better best; Never let it rest; Till good is better and better best