traumatic

他八岁时父母离婚，他觉得这非常令人痛苦。

His parents split up when he was eight, which he found very ___traumatic.

那场车祸是一次创伤性事件，给她留下了持久的焦虑。

The car accident was a ___traumatic event that left her with lasting anxiety.

目睹这起事故对所有相关人员来说都是一次极其痛苦的经历。

Witnessing the accident was an extremely ___traumatic experience for everyone involved.