《旧唐书·本纪·卷十一》
男子二十岁成为丁壮，五十岁进入老年。
男子二十成丁，五十入老。
Men were considered adults at the age of twenty and seniors at the age of fifty.
<s>[INST] 对于下面每对文言文和现代汉语段落, 请创作一个能够体现核心信息的英语翻译: 文言文: 男子二十成丁，五十入老。 现代汉语: 男子二十岁成为丁壮，五十岁进入老年。 [/INST] Men were considered adults at the age of twenty and seniors at the age of fifty.</s>
对于下面每对文言文和现代汉语段落, 请创作一个能够体现核心信息的英语翻译: 文言文: 男子二十成丁，五十入老。 现代汉语: 男子二十岁成为丁壮，五十岁进入老年。
user
Men were considered adults at the age of twenty and seniors at the age of fifty.
assistant