break in

英 [ˈbreɪk ɪn]

美 [ˈbreɪk ɪn]

（通常指盗贼）闯入，破门而入; 打断; 插嘴; 使适应（新的工作或环境）; 使（新产品）经使用逐渐合用; 磨合

柯林斯词典

See also:Masked robbers broke in and made off with $8,000...The thief had broken in through a first-floor window.break-in
PHRASAL VERB 打断；插嘴
If youbreak inon someone's conversation or activity, you interrupt them.
1. O'Leary broke in on his thoughts...
  奥利里打断了他的思路。
2. Mrs Southern listened keenly, occasionally breaking in with pertinent questions...
  萨瑟恩夫人兴致勃勃地听着，间或插话问一些相关的问题。
3. 'She told you to stay here,' Mike broke in.
  “她叫你呆在这儿，”迈克插嘴说。
PHRASAL VERB 使适应（新的工作或环境）
If youbreaksomeonein, you get them used to a new job or situation.
1. The band are breaking in a new backing vocalist.
  乐队在帮一名新的后备主唱进行磨合和适应。
PHRASAL VERB 使(新产品）经使用逐渐合用；磨合
If youbreak insomething new, you gradually use or wear it for longer and longer periods until it is ready to be used or worn all the time.
1. When breaking in an engine, you probably should refrain from high speed for the first thousand miles...
  当磨合发动机时，最初的1,000英里里程内尽量不要高速行驶。
2. Nathan's new running shoes weren't broken in correctly.
  内森的新跑鞋不太合脚。

verb

make submissive, obedient, or useful
1. The horse was tough to break
2. I broke in the new intern
Synonym:break
break so as to fall inward
1. He broke in the door
start in a certain activity, enterprise, or role
break into a conversation
1. her husband always chimes in, even when he is not involved in the conversation
Synonym:chime incut input inbutt inchisel inbarge in
intrude on uninvited
1. The nosy couple broke in on our conversation
enter someone's (virtual or real) property in an unauthorized manner, usually with the intent to steal or commit a violent act
1. Someone broke in while I was on vacation
2. They broke into my car and stole my radio!
3. who broke into my account last night?
Synonym:break

Open up, or I break in!
把门打开，不然我要砸门了！
A sudden break in the cloud allowed rescuers to spot Michael Benson.
天气的突然放晴帮助救援人员找到了迈克尔·本森。
Don't break in when he is telling the story.
他讲故事的时候别打断他。
When breaking in an engine, you probably should refrain from high speed for the first thousand miles
当磨合发动机时，最初的1,000英里里程内尽量不要高速行驶。
O'Leary broke in on his thoughts
奥利里打断了他的思路。
They found the break in the pipe line and set to repair it.
他们找到了管道上的裂缝，立即动手修理。
They must have had someone on the inside to help them break in.
他们一定有内应，协助他们闯了进去。
A break in the circuit caused the lights to go out.
电路的中断使电灯熄灭了。
It takes a new secretary one month to break in.
新来的秘书要一个月的时间熟悉工作。
'She told you to stay here,' Mike broke in.
“她叫你呆在这儿，”迈克插嘴说。