Muzicianul de jazz era cunoscut pentru improvizatiile sale lungi si inspirate.
The jazz musician was known for his long and inspired improvisations.
Discursul nu fusese pregatit si a fost o improvizatie pura, dar a functionat.
The speech hadn't been prepared and was pure improvisation, but it worked.
In teatrul de improvizatie actorul nu stie dinainte ce va spune.
In improv theatre the actor doesn't know in advance what he will say.