1.
To improvise and deliver extemporaneously.
即兴演讲，即兴发言
2.
throwaway line [ad lib]
即兴台词〔“爆肚”〕
3.
Words, music, or actions uttered, performed, or carried out in an extemporaneous manner.
即兴表演即兴说出的台词，即兴表演的音乐或即兴完成的动作
4.
a singsong round the camp-fire
围着营火的即兴歌唱会.
5.
The ad lib joke in the play is the best.
剧中即兴说的笑话最好。
6.
improvisatory skill.
即兴诗人创作的技巧
7.
he made a few ad-lib remarks.
他说了几句即兴的评论。
8.
Skilled at or given to unrehearsed speech or performance
擅长于或倾向于即兴演说或即兴表演的.
9.
Something improvised, especially a dramatic skit.
即兴作品即兴而作的东西，尤指戏剧小品
10.
Impromptu Piano Accompaniment and Improvisation Playing Capacity-building and Training;
钢琴即兴伴奏和即兴弹奏能力培养及训练
11.
On the Improvisational Behavior in Instrumental Music Performance
器乐表演中的即兴行为探究——谈“即兴演奏”
12.
an impromptu speech, news conference, performance,etc
即席讲话、 临时召开的记者招待会、 即兴表演
13.
A short piece of music, often improvised on a solo instrument, played as an introduction to a larger work.
即兴曲一段短音乐，常为乐器即兴独奏，作为大型作品的序曲
14.
extemporaneous:Carried out or performed with little or no preparation; impromptu
即兴的:毫无准备的或稍作准备就执行或表演的;即兴的.
15.
Make use of Organizational improvisation to enhance enterprise ability to cope with economic crisis
组织即兴与即兴学习:提升企业的经济危机应对能力
16.
To invent, compose, recite, or execute something offhand.
即席创作；即席表演即兴地发明、创作、背诵或者制成某事物
17.
If an actor forget his word , he have to Improvise
演员要是忘记台词,那就只好即兴现编
18.
It 's time for everyone to get up and do something. this always make me nervous .
到了即兴表演的时间了，真伤脑筋。