a.

1. 神聖的，供神用的[Z]
   Teaching is one of the holiest tasks.

   教書是最神聖的工作之一。

2. 獻身於宗教的；虔誠的
3. 聖潔的；至善的
   The poem sings the praises of holy love.

   這首詩歌頌聖潔的愛。

4. 【俚】非常壞的，可怕的[B]
   That precious child of hers is really a holy terror.

   她那個寶貝孩子真是調皮得要命。

adj.

1. dedicated to God or a religious purpose.
2. morally and spiritually excellent.
3. informal, chiefly N. Amer. used in exclamations of surprise or dismay:
   holy cow!