His craftsmanship is consummate, admired by everyone.
Tips
usage
Two living senses. 湛蓝 is the deep clear blue of a sky or sea. 精湛 means consummate or masterly, used of skill and craftsmanship. As a surname it keeps the same reading 湛.
Left water radical, the side-form of 水. The core sense is clear, still, deep water; from there it extends figuratively to profound skill. Same family as 清 and 深.
