hithertoKK [ˋhɪˏðɝˋtu] /ˈhɪˌðɝˈtu/發音副詞1迄今、至今、到目前為止正式The new evidence challenges a theory hitherto accepted by most scholars.這項新證據挑戰了迄今為大多數學者所接受的理論。2在此之前、在那之前正式The merger opened markets hitherto closed to foreign investors.這樁併購打開了在此之前對外國投資人封閉的市場。