put away ,put out ,put down , put in:的区别

put away\
把（某物）放在合适的地方；把（某物）藏在合适的地方

put or store (sth. in its proper place)

[例句]
Put your books away.

把你的书收好。

Your toys are scattered over the room. Please put them away.

你的玩具满屋乱放，请把它们放回原处。
put in:
(1) 使加入；使进入；加进；装置

cause to be in; add; install

[例句]
He opened the box to put in the hammer.

他打开工具箱把锤子放里。

(2) 提出申请或请求

make an application or a request

[例句]
She thinks of putting in for the position of interpreter.

她想申请当译员。

May I put in for five days' leave?

我可以请五天假吗？

(3) 推荐；提名（某人）作为比赛参加者

recommend; enter the name of (sb.) as a competitor

[例句]
We are going to put Comrade Zhuang in for the post of special correspondent.

我们将推荐庄同志担任特派记者。

(4) 指派；选举

appoint; elect

[例句]
The candidate was put in the other day.

这个候选人不久前当选了。
put down:
(1) 把…放下

set down

[例句]
After he finished his exercise,he put down his pen.

他做完练习，就放下笔。

(2) 使（飞机）降落

cause (an aeroplane) to land; (an aeroplane or aeroplane pilot) land

[例句]
The glider put down there at noon.

滑翔机中午在那里降落。

(3) 镇压；扑灭；消灭

suppress by force; destroy

[例句]
All the medical workers in the region helped to put down the influenza epidemic.

这个地区的所有医务工作者参加了消灭流行性感冒的工作。

(4) 写下

write down

[例句]
Put down your name, please.

请写下你的名字。

Please put down the following facts.

请把下面的事实记下来。
put out:
(1) 拿出；伸出

cause to be out; extend

[例句]
As soon as we sat down, he put out a bowl, two chopsticks, and a spoon for each.

我们一坐下，他就给每人拿出一只碗，一双筷和一只调羹。

The doctor told him to put out his tongue.

医生要他伸出舌头。

(2) 使出（气力等）；（俚语）努力

exert(strength, etc.); (sl.) exert oneself

[例句]
Everyone of us put out his energies to help to dig the tunnel.

我们人人出力帮助挖掘地道。

(3) 生产；产生；供应

produce; generate; provide

[例句]
They put out some motors of high standards.

他们生产了几台高级发动机。

(4) 出版；公布；发布；广播

publish; issue;broadcast

[例句]
This magazine is put out every Friday.

这份杂志每星期五出版。

(5) （植物）长出（芽、叶等）

(a plant) grow (buds, leaves, etc.)

[例句]
These willow saplings will put out fresh leaves very soon.

这些柳树苗不久就要长出新叶了。