DICT.TW Dictionary Taiwan

 ex·tem·po·ra·ne·ous /(ˌ)ɛkˌstɛmpəˈreniəs/
 (a.)無準備的,即席的,臨時的

 Ex·tem·po·ra·ne·ous a.  Composed, performed, or uttered on the spur of the moment, or without previous study; unpremeditated; off-hand; ad-lib; extempore; extemporary; as, an extemporaneous address or production. -- Ex*tem*po*ra*ne*ous*ly, adv. -- Ex*tem*po*ra*ne*ous*ness,n.
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 extemporaneous
      adj : with little or no preparation or forethought; "his ad-lib
            comments showed poor judgment"; "an extemporaneous
            piano recital"; "an extemporary lecture"; "an extempore
            skit"; "an impromptu speech"; "offhand excuses";
            "trying to sound offhanded and reassuring"; "an
            off-the-cuff toast"; "a few unrehearsed comments" [syn:
             ad-lib, extemporary, extempore, impromptu, offhand,
             offhanded, off-the-cuff, unrehearsed]