精

他练习多年，手艺越来越精，能够独立完成难度很高的雕刻作品。

After years of practice, his craftsmanship has become increasingly refined, and he can now complete very difficult carvings on his own.

这人脑子很精，遇到问题总能很快想出应对的办法。

This person is very shrewd and can always quickly come up with a way to deal with problems.