He told me about his hobbies, his way of life and especially about his love of learning languages.

his 是代词 he 的所有格形式，意思是"他的"。 way 的意思是"方式、方法"。 of 是介词，表示所属关系，连接前后两个名词。 life 的意思是"生活"。 his way of life 这个短语字面意思是"他的生活的方式"，即"他的生活方式"。