butt in

phrasal verb
1
to interrupt a conversation rudely
وسط حرف کسی پریدن, حرف کسی را قطع کردن, قطع صحبت کردن, مزاحم گفتگو شدن
2
to become involved in a situation that should not really involve you
فضولی کردن, دخالت کردن, مداخله کردن
I didn't ask you to butt in on my private business.
synonym interfere