ex cathedra

英 [ˌekskə'θiːdrə] 美 [ˌekskə'θiːdrə]

• adj, adv 权威的(地)

英英释义

Adverb:

1. with the full authority of the office;

   "the pope must speak ex cathedra for an encyclical to be infallible"
   

经典引文

• The Pope..claims to be infallible only when he speaks ex cathedra on faith and morals.

  出自：Redemption Tidings