Meaning of the word "if it's not one thing, it's another" in English

What does "if it's not one thing, it's another" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

if it's not one thing, it's another

US /ɪf ɪts nɑt wʌn θɪŋ, ɪts əˈnʌðər/
UK /ɪf ɪts nɒt wʌn θɪŋ, ɪts əˈnʌðə/
"if it's not one thing, it's another" picture

Idiom

used to say that one problem or misfortune is followed by another, often in a series of annoying events

Example:
First the car broke down, and now the heater is broken; if it's not one thing, it's another.
I've had a terrible week; if it's not one thing, it's another.