一念、刹那、瞬间、弹指、俄顷、须臾等这些表述时间的词语,在《现代汉语词典》中基本上都解释为:比喻极短的时间。其实,这些词语分别表示的时间极短差异是很大的。在古代文化中,其界定时间的短暂有严格区别。比如,在《摩诃僧祗律(卷十七)》中记载,“一刹那名一念,二十念名一瞬,二十瞬名一弹指,二十弹指名一罗豫, A phrase, an instant, an instant, a flick of a finger, a beard, a whisper, etc. These expressions of time are all basically interpreted in Modern Chinese Dictionary as metaphors for an extremely short period of time. In fact, these words are very short time difference is great. In ancient culture, there is a strict distinction between the short time defined. For example, in the ”Mashi monk only law (volume 17)“ recorded, ”a name of the moment of the moment, twenty name of the moment, twenty instant name of a tick, twenty fame named a Luo,