一种可能的表达方式是：
"74岁老人自学英语"，可以用"74-year-old man self-teaching Engpsh"来表达。
这个表达方式的来源是英语的常规表达方式。在英语中，"74-year-old"是形容词短语，用来修饰名词"man"，表示这个人是74岁的。"Self-teaching"是动名词，用来修饰"man"，表示这个人是在自学英语。
一些英文例句及其中文翻译如下：
He is a 74-year-old man self-teaching Engpsh. 他是一个74岁的老人，自学英语。
Despite his age, the 74-year-old man is determined to learn Engpsh on his own. 尽管年纪大了，这个74岁的老人还是决心自学英语。
The self-taught 74-year-old man has made remarkable progress in his Engpsh studies. 这个74岁的老人自学英语，在学习中取得了显著的进步。
"74岁老人自学英语"，可以用"74-year-old man self-teaching Engpsh"来表达。
这个表达方式的来源是英语的常规表达方式。在英语中，"74-year-old"是形容词短语，用来修饰名词"man"，表示这个人是74岁的。"Self-teaching"是动名词，用来修饰"man"，表示这个人是在自学英语。
一些英文例句及其中文翻译如下：
He is a 74-year-old man self-teaching Engpsh. 他是一个74岁的老人，自学英语。
Despite his age, the 74-year-old man is determined to learn Engpsh on his own. 尽管年纪大了，这个74岁的老人还是决心自学英语。
The self-taught 74-year-old man has made remarkable progress in his Engpsh studies. 这个74岁的老人自学英语，在学习中取得了显著的进步。