improvised

• 形容某事物是即兴创作或临时完成的，没有事先准备；也可指用现有材料临时凑合做成的。

Describes something that is created or performed spontaneously without preparation.

1. Created spontaneouslyB2formal

   Made or done without preparation, using whatever is available.

   即兴的

   • The comedian gave an improvised performance that had the audience laughing.
   • They built an improvised shelter from branches and leaves.
   • Her improvised speech was surprisingly eloquent.

   同义词ad-libextemporaneousimpromptujury-riggedmakeshiftoffhandspontaneousunrehearsedunscripted

   反义词plannedpremeditatedprepared

2. Temporary substituteB2formal

   Used as a temporary replacement for something that is not available.

   临时的

   • We used a chair as an improvised step ladder.
   • The soldiers created an improvised stretcher from a blanket.
   • He made an improvised tool to fix the broken pipe.

   同义词ad hocjury-riggedmake-domakeshiftprovisionalstand-instopgapsubstitutetemporary

   反义词officialpermanentproperregularstandard

• 动词，表示在没有准备的情况下即兴创作或表演，也指临时想办法应对。

A verb used to indicate the act of creating or performing something spontaneously without preparation.

1. Create spontaneouslyB2formal

   To create or perform something without preparation, using available materials or ideas.

   即兴创作

   • The jazz musician began to improvise a new melody.
   • She had to improvise a speech when the speaker didn't show up.
   • The chef improvised a delicious meal from leftover ingredients.

   同义词ad-libmake up

   反义词planpreparerehearsescript

2. Make do with what is availableB1informal

   To manage a situation using whatever is at hand, often due to a lack of proper resources.

   随机应变

   • We had to improvise a shelter using branches and leaves.
   • He improvised a tool from a piece of wire.
   • When the power went out, they improvised with candles and flashlights.

   同义词cobble togethercontrivemake dorig

   反义词planprepare