His father is skilled in masonry and has built many beautiful houses with stone.

masonry 是由 mason（石匠）加后缀 -ry 构成的名词。-ry 表示"技艺、行业"的意思。masonry 指"石工技艺"或"砖石建筑"，即用石头或砖块进行建造的手艺和工艺。