I have some momentous news to tell you.

我有重要的消息要告诉你。

I am deeply honoured to be invited to this momentous occasion.

能应邀出席如此重要的场合，我深感荣幸。

This is a momentous, hard-won achievement.

这是一个非常重大和来之不易的成就。

History bears evidence that each momentous political change is usually followed by an economic revival.

历史证明，在每次重大的政治变革之后随之而来的往往是经济上的复兴。

a momentous decision'/event'/occasion

重大决定 / 事件；重要时刻

...the momentous decision to send in the troops...

派遣部队的重大决定

The past three years have been among the most momentous in world history.

过去的3年是世界历史上最重要的时期之一。

I am sure this office will be at the heart of momentous changes of Asian history.

我深信,在亚洲经历重大转变的时刻,办事处的工作将会举足轻重.

According to paleoecologist Edward Deevey, the past million years show three momentous changes.

古生态学家爱德华·狄维认为, 在过去100万年间出现过3次重大的变动.

The DLL is established, which have a momentous significance to further development.

建立了动态连接库文件, 对软件使用者在该软件基础上做二次开发具有相当重要的意义.

That is going to be a pretty momentous event.

这将是一个非常重大的事件.

This is rare and representative of his momentous spirit.

这或许是作者胸中汹涌浩荡气势的溢露.

History bears evidence that each momentous political change is usually followed by an economic revival.

历史证明,在每次重大的政治变革之后随之而来的往往是经济上的复兴.

This was a momentous week for America.

这一周对美国来说是非常重要的一周.

I am deeply honoured to be invited to this momentous occasion.

能应邀出席如此重要的场合,我深感荣幸.

Therefore, emphatically regard is an indispensable and momentous part of building harmonious society.

为此, 重视青少年权益保障问题,是构建社会主义和谐社会不可或缺的重要组成部分.

That is going to be momentous event to be the first Obama trip to Europe.

这将是奥巴马上任后首趟欧洲之行时会发生的极为重大的事件.

Waterloo was one of the most momentous battles in history.

滑铁卢之战是历史上最重要的战役之一.

These were momentous advances and achievements.

所有这些,都是党的重大进步和重大成功.

Not all who had been at the momentous boardroom session left as speedily as Roscoe Heyward.

在董事会议室参加这次重要会议的人并不都象罗斯科·海沃德那样一散会就赶紧拔腿溜走.

Mother just told us the ( momentous ) ( cheerful ) news.

母亲刚才告诉我们这 ( 重大的 ) ( 令人高兴的 ) 消息.

After several years'waiting and expecting, the market finally meets its momentous turn.

经过数年的等待和期待, 市场终于迎来了重大的转折.

To a few of us here today, this is a solemn and most momentous occasion.

对于今天在场的一些人来说, 这是一个庄严的、极其重要的时刻.

This is a momentous event.

这是一个伟大的事变.

Among them, tax, as a momentous economic policy and lever, is also an important one.

其中, 税收作为重要的经济政策和经济杠杆, 也是影响保险业发展的一个重要因素.

The momentous news was that war had begun.

重大的新闻是战争已经开始.

John Terry's momentous appointment to the England captaincy already impressive collection of international captains at Chelsea.

约翰·特里被任命为英格兰队的队长,将使得蓝军球员中的国家队队长人数达到让人羡慕的程度.

Susan Bassnett and Andre Lefevere regard this ' cultural return ' as ' a momentous step ' ( 1992: 4 ) in the field of translation studies.

(Lefevere& Bassnett,1992:4 ) 翻译不仅是语言的转换,更是文化信息的传递.

Some momentous decisions will be taken at the next conference.

下次会议将做出几项重要的决定.

Meanwhile, most young people in the West are expected to leave what could be life's most momentous decision'u2014marriage'u2014almost entirely up to luck.

同时，人们认为西方的大多数年轻人把婚姻这一可能是人生最重要的决定几乎完全交由命运来安排。

In that year, two momentous discoveries were made.

那一年，有两个重大发现。

用作定语～+ n.

1. There was no doubt it would be a momentous occasion.
   毫无疑问，那将是极为重要的场合。

• Never before..has mankind had such momentous choices placed in his hands.

  出自：M. Mead

• A momentous day for Europe, for it marked the outbreak of the Franco-Prussian War.

  出自：M. Meyer

momentary，momentous

这两个词都来自名词moment。

momentary意思是“瞬刻的”、“暂时的”（transitory or lasting only for a moment），其后常跟pain、interruption、expectation、happiness、emotion等词，其同义词是transient/ephemeral；反义词是lasting.

momentous意思是“重大的“（of great consequence）。其后常跟events、news、moments、date等词，其同义词是important、highly significant；反义语是trifling。

significant，important，momentous

这些形容词均含“重要的，重大的”之意。

significant指某事物由于特别优秀或特别有意义而显得重要与突出。

important最普通用词，指有权威、有影响的人或值得注意的、有价值的事物。

momentous指极其重要的。