Is "bump into their conversation" a correct sentence to express getting into others conversation unexpectedly?
Solution 1:
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barge into (TFD)
- To abruptly and/or rudely interrupt or intrude on someone or something without warning.
as in:
My bedroom is a private place, you can't just barge in like that!
John thought he'd found the door to the restroom, but he accidentally barged into the board meeting instead.