hitherto

adv. /ˌhɪð.ɚˈtuː/ C2

迄今；到目前为止

Until now or until a particular point in time.

仙境例句

Hitherto, Alice had never seen a race where everybody won a prize.

在这之前，爱丽丝从没见过人人都得奖的赛跑。