精益求精

面对复杂多变的外部环境，我们做事必须做到精益求精。

miàn duì fù zá duō biàn de wài bù huán jìng, wǒ men zuò shì bì xū zuò dào jīng yì qiú jīng.

Faced with a complex and ever-changing external environment, we must strive to achieve excellence in our work.

优秀的手工艺人总是对自己的作品精益求精，力求做到完美无瑕。

yōu xiù de shǒu gōng yì rén zǒng shì duì zì jǐ de zuò pǐn jīng yì qiú jīng, lì qiú zuò dào wán měi wú xiá.

Excellent craftsmen always strive to improve their works and strive to be flawless.