They were battering the door, they were trying to break in.

他们连续击门，试图破门而入。

《柯林斯英汉双解大词典》

We arrived home early and surprised a burglar trying to break in.

我们回家早，无意中发现一个窃贼正要入室行窃。

《牛津词典》

She longed to break in on their conversation but didn't want to appear rude.

她很想打断他们的谈话，但又不愿显得粗鲁。

《牛津词典》

You can spend a great deal of time making an object only for it to break in the kiln.

VOA: special.2009.09.09

But if you want to reject it, you have to break in to this chain of reasoning which goes, taking my earnings is like taking my labor, but taking my labor is making me a slave.

但要想驳倒自由主义，你就得打破它的这个推理过程，强占我的收入，就是强迫劳动，强迫劳动，就是让我做奴隶。

耶鲁公开课 - 公正课程节选

STUDENT: No. Not unless he wants to break the vase into little pieces and stuff it in the corners.

学生：【听不见】,教授：不，除非它想把花瓶打成碎片,然后把它们堆到角落里。

麻省理工公开课 - 计算机科学及编程导论课程节选

It's an extra level of protection that makes it pointless to even try to break in.

CNN: If DNA collecting banned, rapists will go free

Attempts to burn its fuel oil failed, even causing it to break in two.

ECONOMIST: The Exxon Valdez

"It takes about a month to break in a brand-new Rubik's Cube, " said 23-year-old Australian Tim McMahon.

WSJ: One Rubik's Cube, Many Knockoffs, Quintillions of Possibilities