inexorability       
noun [ U ]  formal uk/ɪˌnek.sər.əˈbɪl.ə.ti/ us/ˌɪnˌek.sər.əˈbɪl.ə.t̬i/
 不可阻挡之势
the state of continuing without any possibility of being stopped
  The story has a sense of inexorability. 这个故事表达了世事无情的寓意。 
 They move with the slow inexorability of a glacier. 他们极其缓慢地行进着。 
 See: inexorable
 - More examples
 - The consistently maintained pulse of the music brings home the inexorability of death.
 - The Secretary speaks with an unhurried inexorability.
 - The sparse prose gives her tale the mysterious inexorability of an ancient saga.