break in
enter a building by force 强行进入屋内
Burglars had broken in while we were away on holiday. 我们假日外出时, 窃贼曾进入屋内. break sb/sth in train and discipline sb/sth 训练某人[某物]
break in new recruits, a young horse 训练新兵、驯服小马. break in (on sth) interrupt or disturb (sth) 打断, 干扰(某事物)
Please don´t break in on our conversation. 请别打断我们的谈话.