moment
/ˈməʊmənt/noun
1
- a very brief period of time片刻, 瞬间, 刹那：
she was silent for a moment before replying
回答前她沉默了片刻
a few moments later he returned to the office.
过了一会儿, 他回到了办公室。
1.1
- an exact point in time时刻; 时候：
she would always remember the moment they met.
她会永远记住他们相逢的那一刻。
1.2
- an appropriate time for doing something; an opportunity时机, 机会：
I was waiting for the right moment.
我正在等待恰当时机。
1.3
- a particular stage in something's development or in a course of events（事物发展的）关头, 转折点：
one of the great moments in aviation history.
航空史上重大转折点之一。
2
- mass noun formal importance〈正式〉重大, 重要：
the issues were of little moment to the electorate.
这些问题对选民来说无关紧要。
3
- Physics a turning effect produced by a force acting at a distance on an object【物理】力矩。
3.1
- the magnitude of such an effect, expressed as the product of the force and the distance from its line of action to a given point矩。
4
- Statistics a quantity that expresses the average or expected value of the first, second, third, or fourth power of the deviation of each component of a frequency distribution from some given value, typically mean or zero. The first moment is the mean, the second moment the variance, the third moment the skew, and the fourth moment the kurtosis.【统计】矩, 动差。
短语
any moment （或at any moment）
- very soon马上, 任何一刻, 随时。
at the（或this）moment
- at the present time; now此刻, 目前。
for the moment
- for now暂时; 目前。
have one's（或its）moments
- have short periods that are better or more impressive than others也有走红（或得意、出风头、显赫等）的时刻：
I had my moments in the game.
我也曾在赛场上名噪一时。
in a moment
1
- very soon不久, 一会儿：
I'll be back in a moment.
我一会儿就回来。
2
- instantly立即, 马上：
the fugitive was captured in a moment.
逃亡者马上就被抓住了。
live for the moment
- live or act without worrying about the future得过且过, 过一天算一天。
the moment -
- as soon as -一…（就）：
the heavens opened the moment we left the house.
我们一离开家就下起倾盆大雨。
moment of truth
- a time when a person or thing is tested, a decision has to be made, or a crisis has to be faced严峻考验时刻; 紧要关头。
- ORIGIN: with allusion to the final sword-thrust in a bullfight.
not a moment too soon
- almost too late几乎为时已晚。
not for a（或one）moment
- not at all; never决不, 从来没有。
of the moment
- currently popular, famous, or important当前流行（或出名、重要）的：
the buzzword of the moment.
现时的时髦词。
one moment（或just a moment）
- a request for someone to wait for a short period of time, especially to allow the speaker to do or say something稍等片刻, 稍候。
词源
late Middle English: from Latin momentum （see MOMENTUM）.