Perform without preparation
English: improvise, improvize, ad-lib, extemporize, extemporise
Bahasa: berimprovisasi, mengimprovisasikan
ad-lib, extemporise, extemporize, improvise, improvize
English: improvise, improvize, ad-lib, extemporize, extemporise
Bahasa: berimprovisasi, mengimprovisasikan