break in 和break into 的用法和区别那么用作“破门而入”时两者等同吗，可以互换？

可以

break into:
闯入
例句与用法:
1. As the President's car arrived, the crowd broke into loud applause.
总统的汽车到达时，群众中爆发出热烈的掌声。
2. I can't pay the 50p I owe you without breaking into a 5 note.
我得把一张5英镑的钞票兑开, 才能把欠你的50便士付给你.
3. All this extra work I'm doing is breaking into my leisure time.
我目前的这一切额外工作用去了我的闲暇时间.
4. His house was broken into (eg by burglars) last week.
上星期有人闯入他的房屋（如窃贼）.
5. The sunlight will break into different colors through a prism.
阳光穿过棱镜时将分解成各种颜色。
6. Social duties break into my time.
社交应酬占据了我的时间。
7. The thieves planned to break into a bank.
行窃者计划洗劫银行。
break in:
vt. 闯入(打断,使习惯于,使驯服,训练成为)
例句与用法:
1. Burglars had broken in while we were away on holiday.
我们外出度假时, 小偷闯入屋内行窃。
2. Please don't break in on our conversation.
请不要打断我们的谈话。
3. There must be a break in the circuit.
电路中一定有断路.
4. The thieves must have had someone on the inside to help them break in.
那伙盗贼一定有内应, 协助他们闯了进去.

"break into"表示破门而入,闯入.但它还有一个意思,就是突然开始……",broke into cheers ...
"break in"的意思是打断（话）；插嘴.
Don't break in when he is telling the story.他讲故事的时候,别打断他