1.belt用作动词的基本意思是“用带子系住”,指围绕某物系上带子或用带子系住某物。也可作“快速行进”解。
2.belt在俚语中也可作“用皮带抽打”解。
3.belt可用作及物动词,也可用作不及物动词。用作及物动词时接名词或代词作宾语。
4.belt后接副词along表示“快速移动”; 后接副词on表示“用带系住”; 后接副词out表示“大声唱出或奏出”; 后接副词up表示“系好带子; 安静”。

belt along¹(v.+adv.)
迅速行动 move fast
▲belt along
He belts along in the car.他驱车向前冲。

belt along²(v.+prep.)
迅速行动 move fast
▲belt along sth
We belted along the motorway for nearly a hundred miles, and then had to travel at a crawl along the minor roads.我们在快车道上飞驰了近100英里,然后不得不在小路上慢吞吞地行进。

belt down(v.+prep.)
在…上迅速移动 move very fast in specified direction
▲belt sb down sth
◇ 用于be ～ed结构
He was belted down the motorway at 90 m.p.h.他在高速公路上以每小时90英里的速度行驶。

belt in(v.+prep.)
猛打 hit very hard
▲belt sb in sth
She belted me in the eye.她打着了我的眼睛。

belt into(v.+prep.)
狠揍; 痛骂 hit very hard; scold hard
〔说明〕 belt into不用于被动结构。
▲belt into sb
I lost my temper and belted into him.我发火了,狠狠地揍了他一顿。
When he said that,I belted into him and told him just what I thought.他说了那事以后,我痛骂了他一顿并告诉他我是怎样想的。

belt on(v.+adv.)
用带系住 fasten with a belt
▲belt sth ⇔ on
The officer belted his sword on.那军官用带子把剑佩上。
The detective belted his pistol on.侦探用带子将手枪系住。

belt out(v.+adv.)
1.迅速跑出 move out quickly
▲belt out
I open the door, the cat belted out.我把门一打开,猫就飞快跑出去了。
2.大声〔用力〕唱 sing loudly and forcefully
▲belt sth ⇔ out
She belted out a high note.她大声唱出高音。
She belted out ballads and hillbilly songs one after another all evening.她整晚一个接一个地大唱民谣和乡村小调。
No one can belt out those old songs as she can.没有人能像她那样高声唱出那些老歌。
They belted it out for all they were worth.他们尽情地放声歌唱。

belt out of(v.+adv.+prep.)
把…用力打出 hit sth very hard out of sth
▲belt sth out of sth
The tennis player was so annoyed that he belted the ball right out of the court.那个网球手恼怒地用力一挥把球打到网球场外去。

belt up(v.+adv.)
1.系好带子 fasten sth up with a belt
▲belt up
The soldiers belted up and went out.战士们系好腰带,走了出去。
Many people think it is important to belt up before you start to drive.许多人认为开车之前系上安全带是重要的。
▲belt sth ⇔ up
He belted up his raincoat.他扎好雨衣的带子。
They belted the mechanism up.他们把机械装置挂上了皮带。
2.〈俚〉安静 be quiet
▲belt up
Belt up.I can't hear what your mother is saying.安静点,我听不到你母亲所说的话了。
Belt up, you boys,Father's asleep.静下来吧,孩子们,爸爸在睡觉。
Oh, belt up,I'm tired of your moaning.哦,别说了,我讨厌你的悲叹声。

用作及物动词
▲S+～+n./pron.
She belted her raincoat.她在雨衣外系上带子。
If you don't shut up,I'll belt you.你再不住嘴,我就用皮带抽你。
Mr. Jones really belted his son that time.琼斯先生那次果真打了他的儿子。

1.belt用作名词的基本意思是“带”,可以指人系的“皮带; 腰带”,也可指机械上使用的“传送带,输送带”。引申可作“地带”“区域”解。
2.belt为可数名词。

below the belt
不公正的; 伤人的 unfair or cruel
The boxer fouled his opponent by hitting him below the belt.那个拳手因击打对手腰部以下而犯规。
He struck the other boy below the belt.他不择手段打击对方。
Don't hit below the belt.不要玩卑劣的手法。
Most of the criticisms hit below the belt.大部分批评是暗箭伤人。
You really hit me below the belt when you told the boss about my secret.你把我的秘密讲给了老板听,你太不够意思了。

pull in one's belt
勒紧裤带,节衣缩食 spend less; make economies
If food is scarce it's no use complaining; we shall just have to pull in our belts.如果食品不足,抱怨也无用,我们将只得勒紧裤带。
When father lost his job, we had to pull in our belts.父亲失业时,我们只得节衣缩食。
You will have to pull in your belt if you want to escape bankruptcy.如果你想避免破产,你必须节省。
In those days of hardship, they managed to survive only by pulling in their belts.在那艰苦岁月里,他们是靠节衣缩食才勉强活了下来。

tighten one's belt
俭省,节约度日,忍饥受饿 spend less; make economies
The country's crisis was so grave that even the theatre would tighten its belt.国家的经济危机严重,甚至剧场也不得不紧缩开支。
I will have to tighten my belt now that I can get no more overtime work.由于我不能再加班加点,我只得节衣缩食。

under one's belt
为自己所有,在自己手中,在腹中 have as an achievement or experience; in the abdomen
She already has good academic qualification under her belt.她已获得良好学历。
He is a man with a lot of experience under his belt.他是一个经验丰富的人。
He is talkative when he has a few drinks under his belt.他几杯酒下肚话就多了。

The rubber belt has perished.这条胶皮带已经老化了。
A belt is worn around the waist.腰带围在腰上。
The belt of this dress ties at the front.这件连衣裙的腰带在前面打结。
He carried two revolvers in his belt.他皮带上插着两只左轮手枪。
My shirt hikes up if I don't wear a belt.如果我不扎腰带,衬衣就向上滑。
She wears a leather belt round her waist.她腰上系一根皮带。
You can adjust the belt to the size that you want.皮带的松紧可按照你要的尺寸来调整。
He ate too much that he had to loosen his belt two holes.他吃得太多了，不得不把腰带松两个眼。
The child asked his papa to help him ease off his belt a bit.那孩子叫他爸爸帮他把腰带松开些。
The government intends to bring in a new law about wearing safety belts in cars.政府打算设立一项在汽车内系安全带的新规定。
She refused to hand over the car keys until he promised to wear his safety belt.她拒绝把车钥匙交给他直到他答应系上安全带。
The safety of cars has been increased by the addition of seats belts.车座上加设安全带增强了汽车的安全性。
The moving belt feeds the machine with raw material.这条传送带供给机器所需之原料。
The belt had wound itself around the wheel, stopping the motor.皮带绕在了轮子上,使发动机停转了。
A belt of rain extends across the mountains.这一降雨带覆盖了此山脉。
The shelter belt breaks the force of the wind.防风林带能减弱风力。
These tree belts effectively protect the farmland against shifting sand.这些防护林带有效地保护了农田,使之免受流沙侵袭。
August and September were particularly warm in the central corn belt.在中部谷物生长地带8月和9月天气特别暖。

belt, band, ribbon, strap, stripe
参见band条。
下面各组中的短语意思不同:
the beltline 腰围
the belt line 城市环线
a belted man 束腰带的人
a beltman 负责机器皮带保养的维修工