adj.无法形容的；说不出的；避讳的
The beauty of a sunset is ineffable. 日落的美是难以形容的。
The terror had at long intervals given place to a feeling of an almost ineffable sweetness. 这种胆战心惊的感觉就偶尔让位给一种简直说不出的甜蜜的感觉了。
The name of the Deity is ineffable. 神的名字是忌讳说的。
