ad lib
/ˌæd ˈlɪb; æd`lɪb/ adj (infml 口) (esp of speaking and performing in public) without preparation; spontaneous （尤指当众讲话及表演）未经事先准备的, 即兴的, 即席的: give an ad lib (ie improvised) performance 作即兴表演.adv (infml 口) 1 without preparation; spontaneously 即兴地; 即席地; 临时地: I had forgotten to bring my notes and had to speak ad lib. 我忘记带讲稿了, 只好临时讲几句. 2 as one pleases; without restraint; freely 随便地; 无拘束地; 自由地: We were told to help ourselves to the food ad lib. 这些食物让我们随便吃.v (-bb-) [I] (infml 口) speak or act without preparation, esp when performing in public; improvise 临时讲话或表演（尤指当众）; 即席表演: The actress often forgot her lines but was very good at ad libbing. 那个女演员常忘台词, 却极擅长临时拼凑.
