notch up . mark up in notches or cuts 用刻痕标出；刻下
The gunman notched up five victims on the handle of his gun．枪手在自己的枪柄上刻上五个受害者的记号。
notch up . achieve；gain取得
Our teams have notched up a number of wins in the tournament．我们的运动队在这次联赛中频频获胜。
He has notched up quite a few triumphs lately．他最近取得了好几项成就。
note down . write something down记录；记下
He noted down her address and telephone number in the back of his diary．他在日记本的最后一页记下了她的地址和电话号码。
He noted down everything I said．他把我说的都记下了。
noted for . famous for以…著名
Australian wool is noted all over the world for its softness and good quality．澳大利亚羊毛因其质地柔软和质量上乘而著称于世。
nothing but . nothing except；only；nothing else but只；不过
It，s nothing but an ordinary watch．这只是块普通的表。
He had nothing but a cup of tea this morning．他早上只喝了杯茶。
nothing less than . quite the same as与…完全相同
It is nothing less than aggression．这简直是侵略行为。
nothing to . not important to对…不重要
It is nothing to me．这件事对我来说没什么。
nothing to . not comparable with与…不能相比
My losses are nothing to yours．我的损失不能和你的相比。
The storm is nothing to the one last year．这次风暴比不上去年那一次大。
now…now . sometimes 有时
The weather changed every day；it was now hot now cool．天气每天都在变，有时热有时凉。
now and then . now and again；occasionally；once in a while时而；偶尔
Now and then he goes to a ball game．他偶尔去看看球赛。
Now and then Larry and his wife go out to dinner at an expensive first rate restaurant．拉里和他妻子偶尔去豪华饭店吃饭。
Every now and then she would glance up at the clock．她不时抬头看看钟。
now that . since 既然；因为
Now that dinner is ready，wash your hands．饭准备好了，洗手去吧。
Now that you have finished your work， you'd better have a rest．既然你的工作已经做完了，最好休息一下吧。
O
object to . oppose in words or argument反对
No one objected to the decision when it was made．做出这项决定时没有人反对。
How can James object to my going away with you? 詹姆斯怎么会反对我和你一起走呢?
obliged to . required to,不得不，被迫；
He was obliged to leave his home town thirty years ago． 三十年前他被迫离开了家乡。
They were obliged to give up the chance．他们不得不放弃这次机会。
obliged to . acknowledging a favor received 感激
I will be much obliged to you for an early reply．尽早赐复，不胜感激。
We are much obliged to you for your help．我们非常感谢你的帮助。
occupied in . occupied with . busy with . busy in . 忙于；从事
They were occupied in building a bridge．他们忙着修建一座桥。
They are mainly occupied with agriculture．他们主要从事农业。
occur to somebody . come to somebody 's mind . come into somebody 's mind想到
It just occurred to me that we had better make reservations in advance if we want to see the play this evening．我刚刚想起，如果今晚我们要去看戏，最好预先订座。
It never occurred to him to phone me．他根本没想到要打电话给我。
A new idea suddenly occurred to me．我忽然想到了一个新主意。
odds and ends . small articles without much value 零碎东西；残剩东西
This room is filled with odds and ends．这房里塞满了零碎物品。
I'll have some odds and ends to do tomorrow morning．明早我有些零碎事要做。
of age . becoming old enough to be responsible in law成年
In England， both men and women come of age at twenty-one．在英国，无论男女，都以二十一岁为成年。
of course . naturally；certainly当然地
The rain came pouring down， and of course the sports meet was canceled．大雨瓢泼，运动会当然也就取消了。
Of course you know that girl；she's in your class．你当然认识那个女孩，因为她在你们班上。
of itself . automatically自动地
The door opened of itself．门自动地开了。
of late . in the recent past；not long ago近来
There have been too many high school dropouts of late．近来中途退学的高中学生太多了。
She doesn't seem to be very happy of late．最近她看上去不大开心似的。