After serving his apprenticeship as a toolmaker, he became a manager.结束了工具匠的学徒期以后，他当上了经理。...

n.精密工具制造者...

toolmaker的音标：toolmaker的英式发音音标为：['tu:lmeɪkə(r)]toolmaker的美式发音音标为：['tulˌmekɚ]...