1. 受刑的：46) tortuous 弯曲的 | torturous 受刑的 | 47) transitory 短时间的 (指事)

2. 痛苦的：torture 苦闷 | torturous 痛苦的 | torus 花床

3. 折磨人的：Vaporizer 加湿器 | Torturous 折磨人的 | Interpersonal 人际关系的

4. 曲折的：making its torturous way through Congress正在向国会蹒跚行进 | torturous 曲折的 | entrenched opposition坚决反对

1. 折磨人的;极端痛苦的;引起痛苦的
    Something that is torturous is extremely painful and causes great suffering.

    e.g. His breathing was torturous…
           他的呼吸充满痛苦。
    e.g. This is a torturous, agonizing way to kill someone.
           这是一种让人受尽折磨、痛苦难忍的杀人方法。

1. extremely painful

    Synonym: agonizingagonisingexcruciatingharrowingtorturingtorturesome