改進,完善 improve by giving great attention to details
refine on〔upon〕 sb/sth
We shall have to refine on our methods of advertising.
我們得進一步改進做廣告的方法。
He refined upon the older methods.
他對陳舊的方法做了細緻入微的改進。
The author is planning to refine on his works of five years ago.
作家打算把5年前的著作改得更完美些。
They refined on the methods of teaching.
他們使教學方法精益求精。
Modern medical techniques refine on those of the past.
現代醫療技術比過去的醫療技術要優越。