完整形式是forty–second ,中文意思是num,第四十二

第四十二条本法自公布之日起施行。Article 42 This Law shall take effect from the date of promulgation.

谁在作文比赛中得了第四十二名。Who is the forty-second in the competition?

第四十二条国家依法保护典型地震遗址、遗迹。

Article 42 The State protects typical earthquake ruins and sites in accordance with law.