somewhere along the line
US /ˈsʌmˌwɛr əˈlɔŋ ðə laɪn/
UK /ˈsʌmˌwɛr əˈlɔŋ ðə laɪn/

1.
어딘가에서, 어느 시점에
at some unspecified point during a process or sequence of events
:
•
I must have made a mistake somewhere along the line.
어딘가에서 실수를 한 것 같아.
•
Things went wrong somewhere along the line, and we lost the deal.
어딘가에서 일이 잘못되어 거래를 놓쳤어.