/ˈmɪs.tɪ.kəl/
having spiritual powers or qualities that are difficult to understand or to explain 神秘的；不可思议的；难以解释的
mystical forces/powers
神秘的力量／能力
mystic beauty
不可思议的美丽
Watching the sun rise over the mountain was an almost mystical experience.
看着太阳爬上山冈，这几乎是一种难以言传的体验。