run into含义较多，使用频繁而重要：
1. 偶遇
I ran into an old girlfriend yesterday. It brought back memories.
昨天我无意中遇见旧时女友,唤起一些昔时的记忆。
He ran into Krettner in the corridor a few minutes later.
几分钟之后他在走廊里意外碰到了克雷特纳。
I ran into an old friend in a pub.
我在酒吧碰到了一位老朋友。
I ran into her in the library.
我在图书馆偶遇了她。
类似偶遇的表达：
They had met by chance at university and finished up getting married.
他们在大学偶遇，最后结了婚。
It was highly unlikely that their paths would cross again.
他们再次偶遇的可能性非常小。
Over the years, Yul and Kirk had crossed paths many times.
几年来，尤尔和柯克偶遇了很多次。
On her way home she encountered an old friend.
在回家的路上，她偶遇一个老朋友。
She came across him on her way to school.
她在上学的路上偶然遇见了他。
I came across Joe at a party last week.
我上个星期在聚会上偶然遇见了Joe。
Her life was changed by a chance meeting with her former art master a few years ago.
她的生活因几年前同她以前的美术老师的偶遇改变了。
Actually, let's just read this little bit where you've made them bump into each other.
这样吧，我们就只读你让他们偶遇这一小段吧。
Teresa posted a photo of the chance meeting on a social networking website accompanied by the touching words ：＂ What a blessing this young man was to our family! He was so sweet and kind to do this ．＂
高考真题- 2018 全国3卷 完形填空
特蕾莎在一个社交网站上贴出了这次偶遇的照片，并配上了感人的话："这个年轻人是我们家的福音！他这样做真是太贴心了。"
2. 遇到(问题、困难等);陷入(困境)
The climbers had the misfortune of running into a snowslide, but no one got hurt.
登山队员不幸遇到雪崩，但没有人受伤。
They agreed to sell last year after they ran into financial problems.
陷入财政困境以后，他们于去年同意出售。
The project is running into financial difficulties.
这一项目遇到了财务困难。
Unfortunately they ran into a snowstorm along the way.
他们不幸在途中遇上了暴风雪。
The pilot told the control tower that he'd run into technical trouble.
飞行员报告机场控制塔他遇到了技术问题。
She seems to run into a lot of trouble at her job.
她在工作上似乎遇到了许多麻烦。
He ran into criticism after he had told a dirty joke.
他因讲了个下流笑话而受到批评。
He said companies should face punitive civil penalties running into millions of pounds.
他说公司应该面临高达几百万英镑的惩罚性民事罚款。
A French-based pharmaceuticals company ran into cash-flow problems and faced liquidation.
法国的一家制药公司陷入资金周转问题，面临清算的危机。
The company ran into trouble early on, when a major order was cancelled.
这家公司早些时候有一个大订单被撤销，因此陷入了困境。
We are not prepared to write a blank cheque for companies that have run into trouble.
我们不打算给那些陷入困境的公司开空白支票。
If I run into anything that might interest you, I'll send it your way.
如果我碰上你可能感兴趣的东西，我就给你寄过去。
It is to be expected that an experiment will sometimes run into a snag at first.
开始试验时有时不很顺手，也是很自然的。
But the government's plans have run into strong opposition from civil rights campaigners.
但是政府的计划意外遭到了民权运动人士的强烈反对。
You always run into some difficulties at the beginning of a new job.
一种新的工作，开始总会遇到一些困难。
Detectives have run into a conspiracy of silence in the tight-knit communities of the peninsula.
侦探们犯了难，半岛上各个群体抱成一团，达成了保持缄默的密约。
As I began my own personal weight program, I was filled with the fear that I would run into the same difficulties that beat me before ．
开始自己的个人体重计划时，我十分害怕又会遇到上次打倒我的那种困难。
高考真题- 2017 天津
3. 撞到；(车辆意外地)撞上，撞倒
The car suddenly ran into a tree.
汽车突然撞到一棵树上。
The bus got out of control and ran into a wall.
公共汽车失去控制,撞上了墙。
She had to brake hard to avoid running into the car in front.
她不得不猛踩刹车，以免撞上前面的车。
The driver failed to negotiate a bend and ran into a tree.
司机没能顺利拐弯，撞到了树上。
4. (费用或数量)高达，达到
He said companies should face punitive civil penalties running into millions of pounds.
他说公司应该面临高达几百万英镑的惩罚性民事罚款。
The cost ran into the thousands.
成本达到千位数。
5.跑进；冲到
She ran into the hall and up the stairs.
她跑进门厅，冲上楼梯。
Pandemonium broke out as they ran into the street shouting.
他们叫嚷着冲到大街上，大街上顿时乱作一团。
The thief ran into the crowd and vanished.
小偷跑进人群中不见了。
The children came running into the room.
孩子们跑着进屋来了。
I ran into Rani's office for the first time.
我第一次冲进拉尼的办公室。
高考真题- 2016 全国2卷
Then he ran into the street to repeat that to those he might meet.
然后他跑到街上,对他可能遇到的人重复这句话。
中考真题- 2018 河北
The elephant ran into Sally's yard, and it began eating grass.
大象跑进萨利的院子里,开始吃草。
中考真题- 2015 北京 七选五