somewhere along the line

US /ˈsʌmˌwɛr əˈlɔŋ ðə laɪn/
UK /ˈsʌmˌwɛr əˈlɔŋ ðə laɪn/
"somewhere along the line" picture
1.

em algum momento, em algum ponto

at some unspecified point during a process or sequence of events

:
I must have made a mistake somewhere along the line.
Devo ter cometido um erro em algum momento.
Things went wrong somewhere along the line, and we lost the deal.
As coisas deram errado em algum momento, e perdemos o negócio.