资料来源 : pyDict

直到此时,此时以前,迄今

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Heretofore \Here`to*fore"\, adv.
   Up to this time; hitherto; before; in time past. --Shak.

资料来源 : WordNet®

heretofore
     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}, {as yet}, {yet},
            {til now}, {until now}]