ineffable ——— 说不出的(形容词)
英文释义
(adjective) Unspeakable, incapable of being expressed through words.
例句
The travelers were charmed by the ineffable beauty of the mountain lake at dawn.
旅行者被这座山间湖泊在黎明时分难以表达的美丽陶醉了。
adj. 无能力的,不胜任的