Meaning of the word "somewhere along the line" in English

What does "somewhere along the line" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

somewhere along the line

US /ˈsʌmˌwɛr əˈlɔŋ ðə laɪn/
UK /ˈsʌmˌwɛər əˈlɒŋ ðə laɪn/
"somewhere along the line" picture

Idiom

at some unspecified point during a process or sequence of events

Example:
I must have made a mistake somewhere along the line.
Things went wrong somewhere along the line, and we lost the deal.