Word: 精益求精 (jīngyìqiújīng) 精益求精 dictionary entry jīngyìqiújīng to constantly seek to improve Full dictionary entry for 精益求精 Example sentences using 精益求精 2 sentences, showing page 1 of 1. 做研究就要精益求精，不能马虎。 Zuò yánjiū jiùyào jīngyìqiújīng, bùnéng mǎhu. In research you must keep striving for perfection and not be careless. 师傅对手艺精益求精。 Shīfu duì shǒuyì jīngyìqiújīng. The master keeps refining his craft.