jif·fy /ˈdʒɪfi/ (also jiff /dʒɪf/) noun in a jiffy spokenSOON very soon 很快，一会儿 I’ll be with you in a jiffy. 我很快就来你这儿。
in a jiffy• It emerged yesterday that all three letter bombs were contained in Jiffy bags and were of similar construction.• I'll be with you in a jiffy.