privy

1. ADJ If you are privy to something secret, you have been allowed to know about it. 允許獲知的; 知情的; 了解內幕的[正式] [v-link ADJ 'to' n]

Only three people, including a policeman, will be privy to the facts. 這些情況衹會有三個人知道，其中包括一名警察。