不能返回臨界點 angolul

point of no return▼((idiomatic) the point when it is no longer possible to stop the process)
noun
[UK: pɔɪnt əv nəʊ rɪ.ˈtɜːn] [US: ˈpɔɪnt əv ˈnoʊ rə.ˈtɝːn]