a very short period of time 頃刻；瞬間 Word Originlate 19th cent.: abbreviation of moment.
Idioms
(the) big mo
- (especially North American English, informal)
the ability to keep moving ahead of your competitors, especially in politics 保持領先競爭對手的能力，尤其是在政治領域 In politics, momentum is known as the big mo. 在政治上，氣勢被稱爲大mo。 He's picking up a lot of support and has the big mo. 他得到了很多支持，並且有很大的潛力。