moment
单词辨析：
指极短的时间，如转瞬即逝的刹那间，通常用单数。
Please hold on! She will be back in an instant.
请别挂断电话！她马上回来。
The instant I saw him, I knew he was the policeman who had helped me carry the box.
我一看见他便认出他就是那个曾经帮我搬过箱子的警察。
指很短的一段时间，多用于日常口语。
Can you spare a few moments to fill out this questionnaire?
你能抽点时间填写这个问卷调查吗？
He will come back to see you in a moment.
他马上会回来见你的。
指极为短暂的一段时间，常可与 moment 换用。
Don't worry, and he'll be back in a second/moment.
别担心，他一会儿就回来。
Just a second/moment, the reporter will come to interview you.
稍等片刻，那名记者马上会过来采访你。
相关例句：
The next moment there was an almighty crash
接着发生了剧烈的撞击。
At the moment, no one is talking to me
此刻没人跟我说话。
I'm off coffee at the moment
我眼下不再嗜咖啡了。
I don't for a moment think there'll be a divorce.
我从来没想过将来会离婚。
For the moment, however, the government is happy to live with it.
不过目前政府对此还乐于容忍。
I have not a moment's leisure.
我没有一点闲工夫。