jiffy
noun [ S ] informal uk/ˈdʒɪf.i/ us/ˈdʒɪf.i/
一会儿，瞬间
a very short time
I'll be with you in a jiffy. 我马上就到你那儿去。
I've just got to fetch some books from upstairs - I won't be a jiffy (= I'll be very quick). 我得上楼取些书——我马上就回来。
Synonyms: flash heartbeatinstant split second
Compare: in a trice