preliminary arrangement made at large
一般性的初步安排
the country at large 整个国家
at least至少
He's going away for at least a week.
他起码一星期出去一次。
at length最后；详细地
speak at great length
debate a subject at length
at most最多；最大
We can stay for two days at most.
我们最多能待两天。
at no time 从不；决不
At no time will China be the first to use nuclear weapons.
at once马上，立刻；同时
Do it at once. 马上做。
Don't all speak at once! 大家别一块儿说话！
at one time曾经，一度；同时
at present现在；目前
At present, he is on holiday.目前，他正在度假。
at the cost of牺牲，以…为代价
at the moment此刻，目前
at the same time同时，然而，不过
at times有时
B
back and forth前后；来回
Someone was pacing back and forth behind the curtain. 有人在幕布后踱来踱去。
back down 放弃要求，让步
They refused to back down.他们不愿让步。
Since most of the people present agreed with her, I had to back down. 大多数到
会的人都同意她的意见,我只好放弃原来的意见了。
He has backed down from the position he took last week.
他已放弃他上星期所采取的立场。
The speakers forceful words persuaded his opponent to back down.
back up支持;堵塞;后退
Most members were against Mr. Jones, who would have lost his position if you had
n’t backed him up.
The new evidence backed up my argument.
新的证词有助于我的论点。
‘Don't shoot!’ he said and backed up.
“别开枪！” 他说着往后退。
Will you back me up in the argument.
be about to刚要，即将
bear / keep in mind牢记在心
You must bear in mind that your parents hope to depend on you to become a good doctor.
你要记住你的父母指望你成为一名好医生。
before long不久以后
Before long, the noise dropped completely and the boat began to drift gently acr
oss the water. 不久,轰鸣声完全消失了,于是这只船开始慢悠悠地漂浮在水面上。
beside point离题；不相干的
I want to do it in any case: the cost is beside the point.
To build another skyscraper in the city is beside the point.
在该城市再盖一座摩天大楼的问题不必谈了。
beyond question 无疑
both … and …两者都；既…又…，不但…而且…
break away摆脱，逃跑
The robbery suspect broke away from the lockup. 抢劫嫌疑犯从拘留所逃脱了。
Modern music like jazz has broken away from the old traditional rules.
现代音乐如爵士乐摆脱了旧的传统规则。
break down（机器）出故障；中断；分解
Our truck broke down outside town.
我们的卡车在城外抛锚了。
The car broke down halfway to the destination. 汽车在到达目的地的中途抛锚了。
The car broke down halfway to the camp.
车子在去营地的半路上抛锚了。
The 8 o'clock train broke down at Ferngreen station and was taken off the line.'
8点钟的那趟车因在芬格林车站出了故障而被取消了。
The peace talks have broke down.
The figures must be broken down into several lists.
break in插嘴；闯入
He broke in with some ideas of his own.
It's her usual habit to break in with some ideas of her own.
他常常打断别人的话来发表自己的观点。
Don't break in when the adventurer is telling his own story.
冒险家讲他自己的经历时,别打断他。
Children shouldn't break in on adults' conversation.小孩子不要打断大人们的谈话。
The telephone ring broke in on/upon my thoughts. 电话铃声打断了我的思路。
The burglar broke in and stole my money.
夜窃贼破门而入,偷了我的钱。
break into闯入；打断；突然开始
The thieves broke into the office and stole some money. 小偷闯入办公室，偷了一些
钱。
The bandits broke into the jewelry and stole near all the valuable necklaces.土匪
们闯进了珠宝店盗走了几乎所有值钱的项链。
to break into a conversation.
to break into song 突然唱起歌来
The crowd broke into cheers and the drunk bowed.观众们爆发出一阵欢呼,醉汉鞠了一躬
。
The car windows broke into pieces when the two cars crashed into each other.
两辆车相撞时车上的窗玻璃破裂成碎片。
The new waitress dropped the dish on the floor, and it broke into fragments. 新来
的女服务员把菜盘子掉在地上,摔成了碎片。
break off 中断, 折断, 突然停止
Those two countries have broken off relations.
Let’s break off work and have some tea.
He broke off a branch and gave it to me.
break out突然发生；爆发
Fire broke out in the kitchen.
厨房突然发生了火灾。
It was almost midnight that a fire broke out in the neighborhood.
昨天快半夜了这儿附近发生了火灾。
His back broke out in spots.
他背上出现了许多斑点。
She broke out in curses in her dream.
她在梦中大声咒骂起来。
The fire broke out in the basement.
地下室着了火。
World War II broke out in 1939.
第二次世界大战是1939年爆发的。
Hostilities have broken out between the two countries. 两国之间爆发了战争。
break through突破；克服；挣脱而出
Have our soldiers broke through the enemy’s defense yet?
Scientists have recently broken through another barrier to knowledge.
It was a cloudy day, but the sun at last broke through.
After the storm the sun broke through the clouds. 风暴过后太阳冲破了云层。
At last, those physicians and specialists broke through in their fight against h
eart disease. 那些内科医生和专家们终于在同心脏病的斗争中取得了突破。
The guerrillas soon broke through.
游击队很快就突围了。
break up打碎；中断
Freezing weather will break up the soil.
The crowd started to break up when the night fell.天快黑时人群开始散开了。
The ice will break up when the warm weather comes. 天气转暖,冰层就会破裂。
Their marriage broke up. 他们的婚姻破裂了。
bring about 引起；造成
Science has brought about many changes in our lives.
bring down 使倒下；使下降；使受挫折
The pilot brought the plane down gently.
He brought the deer down with one shoot.
to bring down the price.
bring forward 提出；提前 (= put forward)
Can the prisoner bring forward any proof of his story?
The election will be brought forward to June, as to many people are on holiday i
n July.
We'll bring the party forward.
我们要把晚会提前。
They'll bring the date of their marriage forward from the 30th to the 28th. 他们
将把结婚的日期从三十日提前到二十八日。
A plan was brought forward. 提出一项计划。
The general manager brought forward a new reform plan on the personnel system fo
r the coMPAny. 总经理为公司提出了一份有关人事制度改革的新方案。
The final examination will be brought forward to June instead of July.
期终考试将由七月提前到六月举行
