Meaning of the word "every man has his hobby-horse" in English

What does "every man has his hobby-horse" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

every man has his hobby-horse

US /ˈev.ri mæn hæz hɪz ˈhɑː.bi.hɔːrs/
UK /ˈev.ri mæn hæz hɪz ˈhɒb.i.hɔːs/
"every man has his hobby-horse" picture

Idiom

everyone has a particular subject, activity, or topic that they are especially interested in or like to talk about constantly

Example:
He started talking about vintage cars again; well, every man has his hobby-horse.
Don't be annoyed by her obsession with gardening; every man has his hobby-horse.