ภาษาอังกฤษวันละคำ : improvise (IM pra vaiz)

The verb improvise means to invent or make something, such as a speech or a device, at the time when it is needed without already having planned it. ...

• Mr Until now, home cooks wanting to try the slow-cooking method have had to improvise.
• "When the rains came, we improvised out there," Merrick’s caddie said.
• Evy Some surgeons improvised, using modified kitchen spoons and forks to hold the heart steady.
• "He is wooden, he is stiff, he can't improvise," one critic complained. ...

(From Bangkok Post)