1. momentary
2. moment
Relative explainations:
<flashiness> <jiffy> <jiff> <wink> <in a pig's whisper> <split second> <trice> <instant> <twinkle> <twinkling> <momently> <instantaneous> <instantaneousness> <breathing> <sand> <second>
Examples:
1. 在那壹瞬間, 她沒有認出綁架她的人。
At that instant she did not recognize the man that had kidnapped her.
2. 在爆炸的瞬間,整個城市在沈睡中。
At the instant of the explosion, the whole city was in sound sleep.
3. 瞬間短暫的時間跨度；壹會兒
A short space of time; a moment
4. 由於光速極快，我們幾乎能在開燈的那壹瞬間就看見電燈亮起來。
Because of the great speed of light, we see a lamp light up almost at the exact moment we turn it on.
5. 他瞬間滿臉通紅.
A blush suffused his cheeks.