beforehand

ad.先前

been, beep, beeper, beer, beer-mat, beery, beeswax, beet, Beethoven, beetle, beetling, beetroot, beeves, befall, befit, befitting, befittingly, befog, before, before long, befriend, befuddled, beg, began, beget, beggar, beggar-man, beggarly, beggary, begin, begin to do sth., begin with, beginner, beginning, begone, begonia, begorra, begot, begotten, begrudge, begrudgingly,