act as担任……职务，起……作用can you act as interpreter?你能担任口译吗？
act for **（某人职务），代为（处理某事）
act out 表演（对话、故事等） the children started to act out the whole incident.孩子们开始表演整个事件。
believe in 确信，信任，信仰，主张 do you believe in god?你相信有上帝吗？
believe one's ears 相信所听到的话make believe 假装（pretend to do sth.）
3）blow短语。
blow out被（风等）吹灭，熄灭。
somebody opened the door and the candle blew out.有人打开了门，蜡烛就被吹灭了。
blow up，放大（**），吹大（气球），**，发脾气
the bomb blow up炸弹**了 the tyres on my bike need blowing up我的自行车该打气了。
give sb. a he**y blow 给某人以沉重打击。
break away from … 脱离……，奋力挣脱……、打破。
the prisoner broke away from his guards犯人挣脱了看守。
break down 出故障，中止，分解、抛锚、破坏，粉碎；瓦解；衰弱，损坏；(健康等)垮掉，累垮；崩溃。
negotiations between the two sides h**e broken down.双方谈判失败了。
her health broken down under the pressure of work.她因工作压力身体垮掉了。
break in 打断，插话，闯入，强行进入，使顺服。
she longed to break in on their conversation but didn't want to appear rude.
她很想打断他们的谈话，但又不愿显得粗鲁。
burglars（窃贼）had broken in while while we were away。我们不在家时，窃贼闯进屋里了。
break into … 闯入…，破门而入，突然开始，把(sth.)分成。
as the president’s car drew up，the crowd broke into loud applause**的车停下时，人群中爆发出热烈的掌声。
break (sth) off （使某物）折断，中断某事物，突然停止，打断，断绝。
the back section of the plane had broken off飞机尾部脱落了
he broke off in the middle of the sentence。他一句话说了一半就不说了。
break out （战争、火灾）突然发生，爆发，准备使用；起锚
fire broke out during the night.夜间突然发生了火灾。
break out in tears 突然大哭break the rule（law） 违反规定
break one’s promise 失言 break through 突围，冲跨，克服，挤过去。
scientists think they are beginning to break through in the fight against cancer.
科学家们认为在对抗癌症的研究中开始有所突破。
break up vt. 分解，**，拆散，vi.结束（关系等）；关闭（公司等）
sentences can be broken into clauses.句子可以分成分句。they decided to break up the partnership.
他们决定拆伙。
bring about 引起，导致，使发生，促使
what brought about the change in his attitude?是什么使他改变了态度？
bring along 把……带来，领来。
bring back 拿（送）回来，使恢复，使回忆。
the photographs brought back many pleasant memories.那些**给人带来许多美好的回忆。
bring sth / sb back to life 使……生动/活泼，使……苏醒。
bring down 使……降低，减少，使……倒下，使……落下，浓缩，收缩，击落
we aim to bring down prices on all our computers. 我们打算降低我们所有计算机的的**。
twelve enemy fighters had been brought down. 有12架敌方的战斗机被击落。
bring down / up (the price) 降价／提价
bring forward 提议，提出讨论
please bring the matter forward at the next meeting.请将这事在下次会议上提出。
bring in 引进（技术），赚钱，带来（收入），吸收
we need to bring in a lot more new business. 我么得吸引更多的新业务。
bring into action 使行动起来，使生效
bring into effect/practice 完成，实现，实施，实行
bring into operation 使运转，将。投入生产 bring into (full) play 发挥，调动，利用。
bring out 拿出，公布，出版，生产，揭露，阐明，使表现出。
that dress really brings out the colour of your eyes.那件衣服果真能衬托出你眼睛的颜色。
the band h**e just brought out their second album.这个乐队刚刚推出了他们的第二张**。
bring off 完成，做完（艰难的工作）
it was a difficult task that we brought it off. 那是一项艰难的工作，但我们还是完成了。
bring to(=round) 使苏醒 bring to mind 使想起，回忆起
bring up 抚养 she brought up 5 children.她抚育了5个孩子。
bring sth. up 提出（讨论等）bring it up at the meeting. 请将此事在会议上提出。
build on / upon 建立在。上 this study builds on the earlier work.这项研究是在以往工作的基础上进行的。
build up 增加，增进，建成，振兴。
all the pressure built up and he was off work for weeks without stress.
各方面的压力越来越大，他因负荷太重有好几个星期没来上班。
（7）以burst为中心的词组。
burst forth 爆发，喷出，忽然出现 burst into 闯进，突然破门而入。
the aircraft crashed and burst into flames. 飞机坠毁后猛烈燃烧起来。
burst into tears / laughter 嚎啕大哭/放声大笑burst out crying / laughing嚎啕大哭/放声大笑。
she burst out laughing. 她突然大笑起来。
call away 叫走，把~叫到别处去。
she was called away from the meeting to take an urgent phone call.她被叫出会场去接一个紧急**。
call back 回**
call for （公开）要求，需要 the situation calls for prompt action. 目前的形势需要立即采取行动。
they call for the immediate release of the hostages人质。他们要求立即释放人质。
call in 召来，叫来（服务）call in a doctor请来医生。
call off 取消call off a trip取消旅行 call on / upon sb.邀请，要求（某人讲话） 要求某人做某事
i now call upon the chairman to address the meeting. 现在请主席向大会致辞。
call out 大声呼喊，叫喊，唤起 she called out to her father for help.她向父亲大声呼救。
call sb names 谩骂某人
call up 给……打**，使人想起，号召，召集。
the smell of the sea called up memories of her childhood. 大海的气息勾起了她对童年的回忆。
pay a call at sp. 访问（某地） pay a call on sb. 拜访（某人）
9）catch短语
be caught in the rain 淋雨 catch /take fire 着火
catch on 挂住，明白，理解，受欢迎
he invented an electric car, but it never really caught on.他发明了一种电动汽车，但这种车从未真正流行起来。
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