brevity /ˈbrɛvɪtɪ/ TEM8

• 1. 

  N-UNCOUNT The brevity of something is the fact that it is short or lasts for only a short time. 短暂 [正式] [oft N 'of' n]

  例：

  ...the hardship and brevity of human existence.

  ...人类存在的艰难及短暂。