break in

enter someone''s property in an unauthorized manner, usually with the intent to steal or commit a violent act

• “Someone broke in while I was on vacation”
• “They broke into my car and stole my radio!”

break into a conversation

• “her husband always chimes in, even when he is not involved in the conversation”

start in a certain activity, enterprise, or role

intrude on uninvited

• “The nosy couple broke in on our conversation”

break so as to call inward

• “He broke in the door”

make submissive, obedient, or useful

• “The horse was tough to break”
• “I broke in the new intern”

trespassing for an unlawful purpose; illegal entrance into premises with criminal intent