資料來源 : WordNet®

until now
     adv : used in negative statement to describe a situation that has
           existed up to this point or up to the present time; "So
           far he hasn't called"; "the sun isn't up yet" [syn: {so
           far}, {thus far}, {up to now}, {hitherto}, {heretofore},
            {as yet}, {yet}, {til now}]