theretofore

/thair-tuh-fawr, -fohr/US // ˌðɛər təˈfɔr, -ˈfoʊr //UK // (ˌðɛətʊˈfɔː) //

在此之前,此前,在此之前的,此前的

Definitions

adv.副词 adverb

It's why a number of commentators who had theretofore said Benghazi was nothing was now something.
Did you attempt to compare it with the questioned items which you had, theretofore, identified?
He prepared his ships and munitions of war, and sailing westward came to a country theretofore unknown.
Each discovery destroys in whole or part some theretofore cherished belief.
He was also allowed to revise and readjust the accounts theretofore settled under the Corporation Tax Law.
The stone was said to be spodumene, of a very high class, and had a a lilac tint theretofore unknown.