holy  
adjective uk/ˈhəʊ.li/ us/ˈhoʊ.li/
  (RELIGIOUS)         
 C1 神圣的;上帝的
related to a religion or a god
  holy scriptures/rites 圣经/神圣的仪式 
  虔诚的;圣洁的
very religious or pure
  a holy person 圣洁的人 
 - More examples
- He was regarded as a righteous and holy man.
- She believes that the union of man and woman in holy matrimony is for ever.
- The soldiers deliberately defiled all the holy places.
- He doesn't believe in the holy estate of marriage.
- The area is a holy site for many Muslims.
  (FOR EMPHASIS)     
holy cow/mackerel/smoke!mainly US informal (also offensive holy shit) (表示惊讶、恐惧等)天哪!
used to show that you think something is surprising, shocking, or impressive
  Holy cow! How did you get that black eye? 天哪!你的眼睛怎么青了?