The famous coach is known as the kingmaker in basketball, turning his players into stars.

kingmaker 是由 king（国王）和 maker（制造者）组成的复合词。king 指"国王"，maker 指"制造者、创造者"。 kingmaker 字面意思是"制造国王的人"，引申为"能够决定他人成功或获得权力的人"，在这里指"能够培养出明星球员的教练"。