traumatic
adj. （经历）痛苦难忘的，造成精神创伤的；<医>外伤的，损伤的；令人恐惧的，令人如坐针毡的
例句
The condition is most often caused by a stroke or traumatic brain injury.
这种情况通常是由中风或创伤性脑损伤引起的。
A push factor can be as simple and mild a matter as difficulty in finding a suitable job, or as traumatic as war, or severe famine.
推动因素可以是简单而轻微的事情，比如找不到合适的工作，也可以是创伤性的事情，比如战争或严重的饥荒。
Divorce can be traumatic for everyone involved.
离婚对所有相关的人都会造成痛苦。
《牛津词典》
