Word · CEFR C2
ad-lib
即兴表演；即兴发挥
to perform or say something without preparation; improvise
- 1.
perform without preparation
即兴表演；无准备地表演。
即兴表演；无准备地表演。；vt. 即兴编造；即兴讲演；即兴演唱；即兴演奏
In use
He ad-libbed a joke when he forgot his lines.
The comedian is ad-libbing during his entire performance.
She often ad-libs her speeches to make them more engaging.
ad-lib + noun phrase
及物用法，ad-lib后直接跟即兴创作的内容。
The comedian ad-libbed a hilarious joke.
这位喜剧演员即兴编了一个搞笑的笑话。
ad-lib (no object)
不及物用法，不接宾语，表示在没有准备的情况下即兴表现。
When he forgot his lines, he simply ad-libbed.
当他忘记台词时，他就即兴发挥。
Verb forms
base ad-lib · third person ad-libs · -ing ad-libbing · past ad-libbed · past participle ad-libbed
规则变化，双写b加-ed/-ing
Common mistakes
He did an ad-lib during the show.He ad-libbed during the show.
将ad-lib误用为名词宾语，而它作为动词应使用过去式形式adi-libbed。
He ad-lib a funny joke.He ad-libbed a funny joke.
遗漏了过去式变化，adi-lib的过去式应为ad-libbed。
Connections
Confusing words
- improvise
- 即兴创作 · improvise 和 ad-lib 都表示即兴，但 improvise 更通用，可指任何即兴创作，而 ad-lib 特指在表演中无准备地即兴发挥。
Word family
- ad-libber
- 即兴表演者；即兴发挥的人 · n.
- ad-libbed
- 即兴的；临场发挥的 · adj.
- ad-libbing
- 即兴表演；即兴发挥 · n.
Learner notes
Grammar Note
可作及物或不及物动词。及物时后接宾语，如 ad-lib a speech；不及物时单独使用，如 He ad-libbed.
Learn the forms together
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from AI_FALLBACK, ECDICT, OCTANOVE, WIKTIONARY, WORDNET.