1.about 干，做;
从事于 I do not like to be interrupted when I am about an important piece of work.我在做重要工作的时候，不喜欢有人打扰。
2.after 追捕;搜寻
The police are after him.警察在追捕他。
I wonder what those children are after in that shed.我不知道那些小孩在那间小屋里找什么东西。
3.at 从事(某种活动)
He is at an absorbing thriller and can’t be disturbed.他正在阅读一篇引人入胜的惊险小说，什么也惊动不了他。
at it意思是"忙个不停"(=doing something)，这里，it不具体指什么，只是笼统指事情。例如：He is at it night and day.他日夜忙个不停。
4.in[表示职业、活动等]从事于;参加着
The work is in hand，and will soon be finished.
工作在进行中，很快就要结束了。
be in films 从影
be in business 经商
be in school 求学
be in hospital 住院
5.on 在从事……中;
处于……情况中 He has just published one novel and is already on a second.(on =engaged in writing)他刚出版了一本小说，又在写第二本了。
on 后接一个作名词用的动词，代替及物动词，表示被动概念;或代替不及物动词，表示主动概念。
on show 展览(=being shown 被展出)
on parade 在游行(=parading 在游行)
on night work 上夜班(=working at night 上夜班)
on 后接 the +一个作名词用的动词，其意义与现在分词所表达的意义相近。例如：
The enemy are on the run.(=running)敌人在逃跑。
同样用法：
on the march 在行进中
on the move 在活动中，在进展中
on the prowl 在徘徊
6.over 在(做)……时
We had a pleasant chat over a cup of tea.我们一边喝茶，一边愉快地聊天。
He fell asleep over a book.他看着看着书就睡着了。
7.under 在进行中
The proposals for a trade and cooperation agreement are now under study.签定贸易合作协定的建议正在研究中。
在这一结构中，under跟它后面接的作名词用的动词一块，起着相当于被动语态的作用。例如：
under discussion(=being discussed)正在被讨论
under review(=being reviewed)正在被检查
under repair(=being repaired)正在被修理
8.up to 忙于;从事于
What have you been up to lately?
你近来在忙些什么? Those boys are always up to mischief.那些男孩总是搞恶作剧。
9.由一个副词后接with短语构成的结构
Down with tyrants!打倒暴君!
Off with his head!砍掉他的头! 练习：翻译下列句子。
1.He loved to watch the children at play.
2.They were in a search for truth.
3.The director was on the phone
4.Many a business deal has been concluded over a bottle of wine.
5.I am under an engagement to go.
参考答案：
1.他爱看孩子们玩。
发表于 2016-7-11 17:50:06