torturous

The survivors described the long march through the desert as a torturous experience.

(Chinese) 幸存者们将穿过沙漠的长途行军描述为一次极其痛苦的经历。

The wait for the jury's verdict was a torturous few hours for the defendant.

(Chinese) 对被告来说，等待陪审团裁决的那几个小时是极度痛苦的煎熬。