traumatic

Witnessing a car crash can be a deeply traumatic event for a young child.

(Chinese) 目睹车祸对年幼的孩子来说可能是一次深刻的创伤性事件。

He underwent a traumatic surgery but is now on the slow path to recovery.

(Chinese) 他经历了一场痛苦的手术，现在正处于缓慢的康复过程中。