break into

英 [breɪk ˈɪntə]

美 [breɪk ˈɪntə]

强行进入; 闯入; 突然开始做（某事）; 成功打入，顺利进入（某行业，尤指很难取得成功的领域）

柯林斯词典

PHRASAL VERB 强行进入；闯入
If someonebreaks intoa building, they get into it by force.
1. There was no one nearby who might see him trying to break into the house...
  附近没有人可能会看见他试图闯入房子里。
2. In this country a house is broken into every 24 seconds.
  在这个国家每24秒就会有一所房子被人破门而入。
PHRASAL VERB 突然开始做（某事）
If someonebreaks intosomething they suddenly start doing it. For example if someonebreaks intoa run they suddenly start running, and if theybreak intosong they suddenly start singing.
1. The moment she was out of sight she broke into a run...
  她一走出众人的视线就开始飞奔起来。
2. Then, breaking into a smile, he said, 'I brought you something.'
  然后，他忽然露出笑容，说道：“我给你带了一样东西。”
PHRASAL VERB 成功打入，顺利进入（某行业，尤指很难取得成功的领域）
If youbreak intoa profession or area of business, especially one that is difficult to succeed in, you manage to have some success in it.
1. She finally broke into films after an acclaimed stage career.
  她在取得舞台生涯的成功后，最终进入电影界发展。

verb

change pace
1. The dancers broke into a cha-cha
2. The horse broke into a gallop
express or utter spontaneously
1. break into a yodel
2. break into a song
3. break into tears

Don't break into their conversation; they are discussing something important.
不要打断他们的谈话；他们正在讨论重要的事情呢。
I only got to ask for breakfast and you break into tears?
我只是要吃早餐，而你却突然哭起来了？
When his lips break into a smile, it is enough to melt any woman's heart
他粲然一笑就足以让任何女人心软。
May I suggest that we shorten the noon break into half an hour?
我能建议我们把午休时间缩短到半个小时吗？
I just thought it would be a tough field to break into, so I became an actor instead.
我认为那是很难进入的一片领域，所以我改成了当演员。
She finally broke into films after an acclaimed stage career.
她在取得舞台生涯的成功后，最终进入电影界发展。
The moment she was out of sight she broke into a run
她一走出众人的视线就开始飞奔起来。
They break into an office so that Jack can use the phone.
他们闯入了一间办公室，因为杰克需要使用电话。
My aunt's regular visits break into my weekend.
我姑母的不断来访打扰我度周末。
If you dropped the glass, it would break into pieces.
如果你把杯子掉到地上，它就会摔碎的。