If you improvise, you make or do something using whatever you have or without having planned it in advance.
例句
You need a wok with a steaming rack for this; if you don't have one, improvise...要做這個，你需要一口帶蒸籠篦子的鍋,如果沒有,就用別的臨時湊合一下。The vet had improvised a harness...獸醫臨時湊成了一副馬具。
VERB
即興表演;即興演奏;即興創作
When performers improvise, they invent music or words as they play, sing, or speak.
例句
I asked her what the piece was and she said, 'Oh, I'm just improvising'...我問她那一段是什么音樂,她說：“噢,我只是即興彈的。”Uncle Richard intoned a chapter from the Bible and improvised a prayer...理查德叔叔吟誦了《圣經》中的一章,又即興作了一段祈禱文。
英英詞典釋義
Adjective
1. done or made using whatever is available;
"crossed the river on improvised bridges""the survivors used jury-rigged fishing gear""the rock served as a makeshift hammer"