hitherto
US /ˌhɪð.ɚˈtuː/
UK /ˌhɪð.əˈtuː/
副詞
迄今, 到目前為止
until now or until the point in time under discussion
範例:
•
The research has revealed facts hitherto unknown.
這項研究揭示了迄今為止不為人知的事實。
•
He had hitherto been a quiet and unassuming man.
他迄今為止一直是一個安靜謙遜的人。