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

Social activities break into my time.
社会活动占去了我的时间。
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。
And we'll never find their carriers unless we break into the clear.
如果我们不能马上得到清楚的视线，就再也找不到他们的航空母舰了。
He became so pensive that she didn't like to break into his thoughts.
他陷入沉思之中，她不想打断他的思路。
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。”
You can't just break into a woman's apartment in the middle of the night and clean.
你不能在深更半夜就这么闯进一间女人的公寓，还打扫整理。
Thieves break into the office and steal the petty cash.
窃贼破门进入办公室偷走了零用现金。
The dog scared off intruders who had tried to break into the house.
这条狗把试图破门而入的闯入者吓跑了。
We had to break into the house as we had lost the key.
我们把钥匙丢了，只好破门而入。
Which flat did they break into?
他们闯进哪个套间了？