into
preposition /ˈɪntə/, before vowels  /ˈɪntu/, strong form  /ˈɪntuː/
  /ˈɪntə/, before vowels  /ˈɪntu/, strong form  /ˈɪntuː/
For the special uses of into in phrasal verbs, look at the entries for the verbs. For example lay into somebody/something is in the phrasal verb section at lay.Idioms - to a position in or inside something到…里面;进入 - Come into the house.进屋里来吧。 
- She dived into the water.她潜入水中。 
- He threw the letter into the fire.他把信扔进了火中。 
-  (figurative) She turned and walked off into the night.她转过身去,走进黑夜里。 
 
- Come into the house.
- in the direction of something朝;向;对着 - Speak clearly into the microphone.清楚地对着麦克风讲话。 
- Driving into the sun, we had to shade our eyes.面向太阳开车,我们只好遮挡着眼睛。 
 
- Speak clearly into the microphone.
- to a point at which you hit somebody/something撞上;碰上 - The truck crashed into a parked car.卡车撞上了一辆停放着的汽车。 
 
- The truck crashed into a parked car.
- to a point during a period of time到(一段时间的某一点) - She carried on working late into the night.她一直工作到了深夜。 
- He didn't get married until he was well into his forties.他到四十好几才结婚。 
 
- She carried on working late into the night.
- used to show a change in state(表示状态的变化) - The fruit can be made into jam.这种水果可以制成果酱。 
- Can you translate this passage into German?你能把这一段文字译成德语吗? 
- They came into power in 2008.他们于 2008 年上台掌权。 
- She was sliding into depression.她逐渐消沉下去。 
 
- The fruit can be made into jam.
- used to show the result of an action(表示行动的结果) - He was shocked into a confession of guilt.他被吓得认罪了。 
 
- He was shocked into a confession of guilt.
- about or in connection with something关于;有关 - an inquiry into safety procedures关于安全程序的调查 
 
- an inquiry into safety procedures
- used when you are dividing numbers(用于除数)除 - 3 into 24 is 8.24 除以 3 等于 8。 
 
- 3 into 24 is 8.
词源Old English intō (see in, to).
Idioms 
be into something 
- (informal) to be interested in something in an active way对…十分感兴趣;很喜欢 - He's into surfing in a big way.他迷上了冲浪运动。 
 
- He's into surfing in a big way.
be into somebody for something 
- (US English, informal) to owe somebody money or be owed money by somebody欠某人(钱);某人欠(钱) - By the time he'd fixed the leak, I was into him for $500.他补好漏洞时,我就该付给他 500 美元。 
- The bank was into her for $100 000.她欠了银行 10 万美元。 
 
- By the time he'd fixed the leak, I was into him for $500.