somewhere, etc. along/down the line

somewhere along the line

At some point. Jonathan and I started out as friends at school, and somewhere along the line, we fell in love.
See also: line, somewhere

somewhere along the line

At some point in time, as in Somewhere along the line I'm sure I climbed that mountain. [Mid-1900s]
See also: line, somewhere

somewhere, etc. along/down the ˈline

at some particular moment or stage during something: ‘How did it happen?’ ‘I don’t know. I just know that somewhere along the line we stopped loving each other.’The report looks at where the market is heading and what we can expect further down the line.
See also: down, line