extemporize

verb

1. 即席发言；即兴表演
   to speak or perform without preparing or practising

in BRIT, also use 英国英语亦用 extemporise


1. VERB 即席演说;即兴表演
   If you extemporize, you speak, act, or perform something immediately, without rehearsing or preparing it beforehand.
   1. He completely departed from the text and extemporized in a very energetic fashion.
      他完全脱稿，慷慨激昂地进行即席演说。

1. He completely departed from the text and extemporized in a very energetic fashion.
   他完全脱稿，慷慨激昂地进行即席演说。
2. He have to extemporize because he have forget to bring his note.
   他因为忘了带讲稿，只好即席发言。
3. Certain performers are funnier when they extemporize.
   有些演员即兴表演时更有趣。
4. Because he had lost his notes, the lecturer had to extemporize.
   因为演讲人丢了稿子，只好即席发言。

verb

1. perform without preparation
   1. he extemporized a speech at the wedding

   Synonym:    improviseimprovizead-libextemporise

2. manage in a makeshift way
   1. after the hurricane destroyed our house, we had to improvise for weeks

   Synonym:    improvise