知识点1:习惯上用于“on+名词”的若干搭配

He has never been on board a ship before. 他从来没有乘过船。
Mr Smith is on board one of those ships. 史密斯先生在其中的一条船上。
■on business 办事,因公
He went to London on business. 他因公事去伦敦。
Are you here on business or for pleasure? 你来此地是出差还是游览?
[1]pleasure单词记忆法◆记忆方法一:联想方式:ple啤梨;a苹果;sure当然有啤梨有苹果吃,当然高兴◆记忆方法二:分析:pleas——请(please)的近似拼写;sure——确信; 记忆方法:请你确信,我是非常愉快的。◆记忆方法三:联想方式:ple啤梨;a苹果;sure当然记忆方法:有啤梨有苹果吃,当然高兴
■on condition 倘若,如果,条件是
I’ll come on condition John is invited too. 如果约翰也被邀请,我就来。
Visitors are allowed in the gardens on condition that they don’t touch the plants. 参观者允许进入花园,条件是不触摸这些植物。
【注】相当于连后,其后引导句子,可视为其后省略了that。
■on credit 赊欠
We don’t sell on credit. 我们不赊销。
[2]credit单词记忆法◆记忆方法一:谐音:亏得他 亏得他努力才取得学分。
If you don’t have enough cash, why don’t you make arrangements to buy the car on credit? 假若你现金不够,为什么不作出安排,赊购这部汽车?
[3]have,make,相关知识点make/have sb. do sth.句型结构分析语法讲解:句子成分、什么句型句法,怎么用什么意思 My father will probably have Tom paint the house green. 我爸爸很可能叫汤姆把房子漆成绿色。 He had me help him with his homework. 他叫我帮忙他做家庭作业。
■on cue 恰好在这时候,就在这时候
He said she would be back very soon and, right on cue, she walked in. 他说她很快就回来,说着说着,她走进来了。
[4]right,very,相关知识点very / right / just① Just think of the result. 试想一下后果吧。② Just touch it . 你摸摸吧。③ Just wait a moment, please.请稍等。Ⅲ. very 作为形容词,常与the, this或my, your等连用,以加强语气,表“正是那个”“恰好的”等。如:① You are the very
Just as we’re leaving, right on cue, the kids say they need the toilet. 不早不晚,就在我们要离开之时,孩子们说他们要上厕所。
■on demand 一经要求;在请求时
This check is payable on demand. 这是见票即付的支票。
[5]demand单词记忆法◆记忆方法一:谐音:弟慢得 弟慢得要命,他要求延时。◆记忆方法二:联想方式:de(下);mand(命令) 记忆方法:向下级发出命令→要求。◆记忆方法三:词根词缀记忆法:demand v 苛求(de一再+mand→一再令人做→苛求),mand=order,表示“命令”
Passengers must show their tickets on demand. 查票时旅客须出示车票。
■on display 被展示,被陈列
A collection of photographs was on display in the hall. 大厅里展出了一辑照片。
Treasures from the sunken ship were put on display at the museum. 沉船的财宝在博物馆展览。
■on duty 值日
Who’s on duty today? 今天谁值日?
They always have guards on duty at the door. 门口他们总是有门卫值班。
■on earth 在世上;到底
I am the luckiest man on earth. 我是世上最幸运的男人。
What on earth is the problem? 到底是什么问题?
■on edge 紧张不安,烦躁
She was a bit on edge till she heard he was safe. 她听到他安然无恙才放下心来。
I’m sorry if I rude to you- I’m a bit on edge at the moment.要是我冒犯了你,那么我很抱歉—我此刻有点烦躁。
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知识点2:习惯上后接on doing sth的名词

用于curb on doing sth,表示“对做某事的控制(约束)”。如:
Many companies have imposed curbs on smoking in the workplace. 许多公司已经限制在工作场所吸烟。
5. insistence 坚持
用于insistence on doing sth,表示“对做某事的坚持”“支持做某事”。如:
She called him a male chauvinist because of his insistence oncalling all women “girls”. 她说他是一个大男子主义者,因为他坚持把所有的女人叫做“女孩”。
[6]because of,because,相关知识点because与because of的用法区别[1]because单词记忆法◆记忆方法一:联想方式:be(是)+ca(茶)+use(使用)记忆方法:因为是茶的使用不当,所以才引起了腹泻。查看详情>>我不能因为有个家就停止斗争。正:I can't stop fighting because I have a family.正:I can't stop fighting becau
He admired your insistence on understanding things and making your point, even when he preferred his own. 虽然他偏向于自己的观点是对的,但他还是很佩服你这种理解事情和把自己的观点解释清楚的坚持精神。
知识点3:“on + 名词”类短语

on the boil 水正在开 on the move 在移动,搬迁,离开
on the march 在行军 on the watch 注意,提防
on the flow 在涨潮 on the turn 在转折中
on the increase 正在增加 on the go 正在活动,正在奔走
on the air 正在广播 on the fly 正在飞行