ad lib

US /ˌæd ˈlɪb/
UK /ˌæd ˈlɪb/
"ad lib" picture
1.

即兴表演, 即兴讲话

speak or perform in public without previously preparing one's words

:
The comedian had to ad lib when his script was lost.
当剧本丢失时,喜剧演员不得不即兴表演
She's good at ad-libbing during interviews.
她擅长在采访中即兴发挥
1.

即兴台词, 即兴表演

a remark or gesture made without previous preparation

:
His witty ad lib got a huge laugh from the audience.
他机智的即兴台词引得观众哄堂大笑。
The director allowed the actors to add some ad libs to the dialogue.
导演允许演员在对话中加入一些即兴台词
1.

即兴地, 随意地

without previous preparation

:
He spoke ad lib, surprising everyone with his impromptu speech.
即兴发言,用他的即兴演讲让所有人感到惊讶。
The musicians played some parts ad lib during the jazz performance.
爵士乐表演期间,音乐家们即兴演奏了一些部分。