in/ under no circumstances：决不；无论如何都不（位于句首时，句子要用部分倒装注；部分倒装其实就是一般疑问句的顺序，就是把be动词、助动词、情态动词放在主语的前面。）
Under no circumstances should we give up our dreams.
在任何情况下我们都不应该放弃梦想。
In no circumstances will I give in.
无论如何我都不会屈服的。
In no circumstances should erroneous ideas be allowed to spread unchecked.
决不允许错误思想到处泛滥。
At no time and in no circumstances will China be the first to use nuclear weapons.
在任何时候任何情况下中国都不会首先使用核武器。
She made it clear that under no circumstances would she cancel the trip.
她明确表示，无论如何她都不会取消旅行。
Under no circumstances would we give up protecting the environment.
任何情况之下，我们都不会放弃环境保护。
拓展一下，当否定词never, not, no等引出的否定成分位于句首时，在正式语体里，必须采用部分倒装语序。请看类似用法：
On no account may reference books be removed from the library.
参考书绝不可带出图书馆。
In no way can he solve the problem if he hesitates.假如他犹豫他就不可能解决问题。
In no way am I going to adopt any of his methods
我绝对不会采纳他的任何方法。
In no way can we turn against our country!
我们无论如何都不能背叛祖国！
When asked for your views about your current job, on no account must you be negative.
当你被问及对目前工作的看法时，绝不要表现得消极。
On no account should the mixture boil.
切勿让这种混合物沸腾。
On no account should we discard our fine traditions and styles of work.
好传统、好作风绝不能扔掉。
On no account can you mention my name to anyone.
你无论如何不要向任何人提我的名字。
Water is quite precious resource, on no account can we waste water.
水是非常珍贵的资源，我们决不能浪费。
Not a building nor a tree was left standing.
没有一栋房屋一棵树仍然站着没倒。
Not for nothing was he called the king of rock and roll.
他被称作摇滚之王不是没有道理的。
Not for nothing was the plane called 'The widow-maker'
这种飞机被称作“寡妇机”是事出有因的。
Not a single word did he speak at the meeting.
他在会上一句话也没说。
Not a single word about Newtown was uttered for almost 24 hours. 近24小时内，关于纽敦的话只字未提
Not a single time did he complain.
他一次也没有抱怨过
Not a single day did Delhi residents get good quality air. 德里居民的空气质量没有一天好
Not for one moment did we think we would achieve so much. 我们从来没有想过我们会取得这么大的成就。
Not for a moment did I think I would be offered the job, so I was amazed when I got it. 我从未想过我会得到这份工作，所以当我得到这份工作时，我感到很惊讶。
Not for one moment did I think I could make an impact in that manner. 我从来没有想过我能以那种方式产生影响。
Not for one moment am I advocating violence for violence's sake. 我从来没有为了暴力而提倡暴力
Not for one moment did I feel intimidated or out of place. 我一点也不觉得害怕或格格不入.
Not only does she speak Spanish, she's also good with computers.
她不仅会说西班牙语，还精通计算机。
Not only are mothers not paid but also most of their boring or difficult work is unnoticed.
母亲们不但得不到报酬，而且她们做的那些乏味艰苦的工作常常都不为人所注意。
Not only is it just the job for travelling, but it's handy for groceries too.
它不仅非常适合于旅行，而且用来日常购物也很方便。
Not only is the position of the earth changing but the earth itself is undergoing change.
不但地球的位置在变化，而且地球本身也在经历着变化。
Not until they heard that she was safe and sound were their minds set at rest.
听到她平安无事的消息，大家心里才一块石头落地。
Not until the teacher came in did the students stop talking.
直到老师进来学生们才停止讲话.。
Not until next week will the sports meet be held.
直到下周才开运动会。
not since....have... 自从...从未
Not since the 1968 Olympic Games has a medals ceremony caused such a storm of booing.
自1968年奥运会以来，没有哪次颁奖仪式引起过如此哗然的一片嘘声。
Not since he was twenty years old have I seen him so happy.
自从他二十岁以来，我从未见过他这么高兴。 (正常语序：i have not seen him so happy since he was twenty years old)
Not since I was child have I had such a great time.
我从小就没有这么开心过。
Not since I was in Belgium have I had such fun.
自从我在比利时之后，我从来没有这么开心过。
Not since I entered college have I had so much pressure.
自从我进入大学以来，我从未有过这么大的压力。
Not since 1988 had she whitewashed an opponent in her opening match
自1988年以来她还从未在开场赛中让对手吃过鸭蛋。
Hardly had we arrived than the problems started.
我们刚到，问题就来了。
Hardly had she spoken than she regretted it bitterly.
话刚出口，她就后悔不迭。
Never had he been so free of worry
他从未如此无忧无虑过。
Never had I met a girl like her before
我从未遇见过像她这样的女孩。
Never had she met such spite and pettiness.
她从未遭遇过如此恶毒和狭隘的事情。
Never had she seen him so tense, so quick to take offence as he had been in recent weeks.
她从未见过他像最近几周这样高度紧张，动不动就生气。
Never have I had such a good excuse for wallowing in deep warm baths
我从来没找到过如此好的理由，可以美美地泡个热水澡。
Never did he speak about his own merits. 他从不讲自己的功绩。
Seldom does he go to see his uncle.他极少去看他的叔叔。
Seldom do I get invited into his office alone.
我很少被邀请单独去他的办公室。
No sooner had he arrived than he went away again.他一回到家就又走了。
No sooner had I sat down than there was a loud knock on the door.
我刚坐下就有人大声敲门。
No sooner had he arrived in Rome than he was kidnapped.
他刚到罗马就遭到了绑架。
Neither do I have a sister nor does my husband.我和丈夫都没有姐妹。
Britain does not agree and neither do Denmark, Portugal and Ireland.
英国不同意，丹麦、葡萄牙和爱尔兰也持反对意见。
By no means is she ready to retire.
她丝毫没有退休的准备。
Little did I dream of succeeding so well.
我梦想不到会这么成功。
Little did I know that I would actually wind up being on the staff
我完全没有想到自己最后竟会在这里供职。
Little did I know that this spelled the end of my career.
我一点也没想到这会断送了我的职业生涯。
Little did I know that I would discover my love for ASL ．
我不知道我会发现自己对手语的喜爱。
To no one will they admit their guilt.
他们对任何人都不会承认有罪。
Not always can people do what they want to.
人们并不是总能做自己想做的事情。
No longer are they staying with us.
他们不再和我们住在一起了。
At no time did I give my consent to the plan.
我从未同意过这项计划。
At no time did I give my consent to the plan.
我从未同意过这项计划。
At no time did they try to persuade me to suppress the information
他们从没有试图劝我隐瞒这个消息。
At no time did a majority of Czechoslavakia's citizens support the country's break-up.
大多数捷克斯洛伐克公民一直反对国家分裂。
In no sense can the issue be said to be resolved.
无论如何这个问题都不能说已经解决了。