单词	ad-lib
释义	ad-libad-lib /ˌæd ˈlɪb/ verb (past tense and past participle ad-libbed, present participle ad-libbing) Word Origin WORD ORIGINad-lib Origin: 1900-2000 ad lib ‘without any preparation’ (19-21 centuries), from Modern Latin ad libitum ‘according to desire’ Verb Table VERB TABLE ad-lib Simple Form Present I, you, we, they ad-lib he, she, it ad-libs Past I, you, he, she, it, we, they ad-libbed Present perfect I, you, we, they have ad-libbed he, she, it has ad-libbed Past perfect I, you, he, she, it, we, they had ad-libbed Future I, you, he, she, it, we, they will ad-lib Future perfect I, you, he, she, it, we, they will have ad-libbed Continuous Form Present I am ad-libbing he, she, it is ad-libbing you, we, they are ad-libbing Past I, he, she, it was ad-libbing you, we, they were ad-libbing Present perfect I, you, we, they have been ad-libbing he, she, it has been ad-libbing Past perfect I, you, he, she, it, we, they had been ad-libbing Future I, you, he, she, it, we, they will be ad-libbing Future perfect I, you, he, she, it, we, they will have been ad-libbing Examples EXAMPLES FROM OTHER DICTIONARIES Betsy forgot her lines and had to ad-lib the rest of the scene. No one could remember the song very well, so we had to ad-lib. The other actors were thrown into confusion when she started ad-libbing her final speech. Thesaurus Longman Language Activatorto perform without having planned or practised something► improvise to play music, give a speech, act on stage etc without having planned or practised what you are going to do: · Modern jazz players like to take a theme and improvise around it.· It was difficult to believe that the whole sketch was improvised. ► ad-lib to say or sing something as part of a public performance or speech without having planned or practised it: · No one could remember the song very well, so we had to ad-lib.· The other actors were thrown into confusion when she started ad-libbing her final speech. [intransitive, transitive] to say things that you have not prepared or planned when you are performing or giving a speech SYN  improvise:  I never use a script; I just ad lib the whole programme.—ad-lib noun [countable]
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